Finding the Fourth Proportional to 84,193.92, 126,291.20 and 52,951.68
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Solution
The fourth proportional to 84,193.92, 126,291.20 and 52,951.68 is: 79,427.72
Step by Step Solution
- Step 1: Write the proportion equation
84,193.92 : 126,291.20 = 52,951.68 : x - Step 2: Convert to fraction form
84,193.92/126,291.20 = 52,951.68/x - Step 3: Cross multiply
84,193.92x = 126,291.20 × 52,951.68 - Step 4: Simplify right side
84,193.92x = 6,687,331,209.22 - Step 5: Solve for x
x = 6,687,331,209.22/84,193.92 - Step 6: Final answer
x = 79,427.72
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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.