Finding the Fourth Proportional to 71,862.18, 107,793.96 and 25,115.19
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Solution
The fourth proportional to 71,862.18, 107,793.96 and 25,115.19 is: 37,673.03
Step by Step Solution
- Step 1: Write the proportion equation
71,862.18 : 107,793.96 = 25,115.19 : x - Step 2: Convert to fraction form
71,862.18/107,793.96 = 25,115.19/x - Step 3: Cross multiply
71,862.18x = 107,793.96 × 25,115.19 - Step 4: Simplify right side
71,862.18x = 2,707,265,786.25 - Step 5: Solve for x
x = 2,707,265,786.25/71,862.18 - Step 6: Final answer
x = 37,673.03
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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.