Finding the Fourth Proportional to 84,167.72, 126,080.86 and 39,125.96
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Solution
The fourth proportional to 84,167.72, 126,080.86 and 39,125.96 is: 58,609.58
Step by Step Solution
- Step 1: Write the proportion equation
84,167.72 : 126,080.86 = 39,125.96 : x - Step 2: Convert to fraction form
84,167.72/126,080.86 = 39,125.96/x - Step 3: Cross multiply
84,167.72x = 126,080.86 × 39,125.96 - Step 4: Simplify right side
84,167.72x = 4,933,034,685.13 - Step 5: Solve for x
x = 4,933,034,685.13/84,167.72 - Step 6: Final answer
x = 58,609.58
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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.