Finding the Fourth Proportional to 86,414.30, 129,620.84 and 24,084.80
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Solution
The fourth proportional to 86,414.30, 129,620.84 and 24,084.80 is: 36,127.02
Step by Step Solution
- Step 1: Write the proportion equation
86,414.30 : 129,620.84 = 24,084.80 : x - Step 2: Convert to fraction form
86,414.30/129,620.84 = 24,084.80/x - Step 3: Cross multiply
86,414.30x = 129,620.84 × 24,084.80 - Step 4: Simplify right side
86,414.30x = 3,121,891,238.70 - Step 5: Solve for x
x = 3,121,891,238.70/86,414.30 - Step 6: Final answer
x = 36,127.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.