Finding the Fourth Proportional to 87,387.10, 131,058.92 and 37,461.54
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Solution
The fourth proportional to 87,387.10, 131,058.92 and 37,461.54 is: 56,182.99
Step by Step Solution
- Step 1: Write the proportion equation
87,387.10 : 131,058.92 = 37,461.54 : x - Step 2: Convert to fraction form
87,387.10/131,058.92 = 37,461.54/x - Step 3: Cross multiply
87,387.10x = 131,058.92 × 37,461.54 - Step 4: Simplify right side
87,387.10x = 4,909,668,973.94 - Step 5: Solve for x
x = 4,909,668,973.94/87,387.10 - Step 6: Final answer
x = 56,182.99
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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.