Finding the Fourth Proportional to 79,609.20, 119,398.95 and 32,211.87
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Solution
The fourth proportional to 79,609.20, 119,398.95 and 32,211.87 is: 48,311.80
Step by Step Solution
- Step 1: Write the proportion equation
79,609.20 : 119,398.95 = 32,211.87 : x - Step 2: Convert to fraction form
79,609.20/119,398.95 = 32,211.87/x - Step 3: Cross multiply
79,609.20x = 119,398.95 × 32,211.87 - Step 4: Simplify right side
79,609.20x = 3,846,063,455.54 - Step 5: Solve for x
x = 3,846,063,455.54/79,609.20 - Step 6: Final answer
x = 48,311.80
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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.