Finding the Fourth Proportional to 71,287.23, 106,882.25 and 36,159.15
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Solution
The fourth proportional to 71,287.23, 106,882.25 and 36,159.15 is: 54,214.07
Step by Step Solution
- Step 1: Write the proportion equation
71,287.23 : 106,882.25 = 36,159.15 : x - Step 2: Convert to fraction form
71,287.23/106,882.25 = 36,159.15/x - Step 3: Cross multiply
71,287.23x = 106,882.25 × 36,159.15 - Step 4: Simplify right side
71,287.23x = 3,864,771,129.29 - Step 5: Solve for x
x = 3,864,771,129.29/71,287.23 - Step 6: Final answer
x = 54,214.07
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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.