Finding the Fourth Proportional to 81,159.26, 121,744.99 and 24,228.65
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Solution
The fourth proportional to 81,159.26, 121,744.99 and 24,228.65 is: 36,344.80
Step by Step Solution
- Step 1: Write the proportion equation
81,159.26 : 121,744.99 = 24,228.65 : x - Step 2: Convert to fraction form
81,159.26/121,744.99 = 24,228.65/x - Step 3: Cross multiply
81,159.26x = 121,744.99 × 24,228.65 - Step 4: Simplify right side
81,159.26x = 2,949,717,086.61 - Step 5: Solve for x
x = 2,949,717,086.61/81,159.26 - Step 6: Final answer
x = 36,344.80
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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.