Finding the Fourth Proportional to 71,287.73, 106,882.99 and 36,159.65
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Solution
The fourth proportional to 71,287.73, 106,882.99 and 36,159.65 is: 54,214.82
Step by Step Solution
- Step 1: Write the proportion equation
71,287.73 : 106,882.99 = 36,159.65 : x - Step 2: Convert to fraction form
71,287.73/106,882.99 = 36,159.65/x - Step 3: Cross multiply
71,287.73x = 106,882.99 × 36,159.65 - Step 4: Simplify right side
71,287.73x = 3,864,851,509.35 - Step 5: Solve for x
x = 3,864,851,509.35/71,287.73 - Step 6: Final answer
x = 54,214.82
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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.