Finding the Fourth Proportional to 86,233.26, 129,412.80 and 44,148.54
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Solution
The fourth proportional to 86,233.26, 129,412.80 and 44,148.54 is: 66,255.02
Step by Step Solution
- Step 1: Write the proportion equation
86,233.26 : 129,412.80 = 44,148.54 : x - Step 2: Convert to fraction form
86,233.26/129,412.80 = 44,148.54/x - Step 3: Cross multiply
86,233.26x = 129,412.80 × 44,148.54 - Step 4: Simplify right side
86,233.26x = 5,713,386,177.31 - Step 5: Solve for x
x = 5,713,386,177.31/86,233.26 - Step 6: Final answer
x = 66,255.02
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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.