Finding the Fourth Proportional to 86,148.04, 129,104.60 and 41,686.08
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Solution
The fourth proportional to 86,148.04, 129,104.60 and 41,686.08 is: 62,472.28
Step by Step Solution
- Step 1: Write the proportion equation
86,148.04 : 129,104.60 = 41,686.08 : x - Step 2: Convert to fraction form
86,148.04/129,104.60 = 41,686.08/x - Step 3: Cross multiply
86,148.04x = 129,104.60 × 41,686.08 - Step 4: Simplify right side
86,148.04x = 5,381,864,683.97 - Step 5: Solve for x
x = 5,381,864,683.97/86,148.04 - Step 6: Final answer
x = 62,472.28
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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.