Finding the Fourth Proportional to 86,635.08, 129,876.69 and 41,634.02
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Solution
The fourth proportional to 86,635.08, 129,876.69 and 41,634.02 is: 62,414.54
Step by Step Solution
- Step 1: Write the proportion equation
86,635.08 : 129,876.69 = 41,634.02 : x - Step 2: Convert to fraction form
86,635.08/129,876.69 = 41,634.02/x - Step 3: Cross multiply
86,635.08x = 129,876.69 × 41,634.02 - Step 4: Simplify right side
86,635.08x = 5,407,288,708.99 - Step 5: Solve for x
x = 5,407,288,708.99/86,635.08 - Step 6: Final answer
x = 62,414.54
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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.