Compound interest on 5,000 at 10% for 30 years
Investing 5,000 at 10% per year, compounded monthly, grows to 99,187 after 30 years — 94,187 in interest.
Grows to 99,187
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Full breakdown
| Future value (monthly compounding) | 99,187 |
| Interest earned | 94,187 |
| Growth multiple | 19.84× |
| Same with simple interest | 20,000 |
| Extra from compounding | 79,187 |
Step-by-step working
- Monthly rate = 10% ÷ 12 = 0.8333%
- Periods = 30 × 12 = 360
- A = 5000 × (1 + 0.008333)^360 = 99,187
A = P × (1 + r/n)^(n·t), n = 12
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