Finding the Fourth Proportional to 79,540.76, 119,311.14 and 32,792.42
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Solution
The fourth proportional to 79,540.76, 119,311.14 and 32,792.42 is: 49,188.63
Step by Step Solution
- Step 1: Write the proportion equation
79,540.76 : 119,311.14 = 32,792.42 : x - Step 2: Convert to fraction form
79,540.76/119,311.14 = 32,792.42/x - Step 3: Cross multiply
79,540.76x = 119,311.14 × 32,792.42 - Step 4: Simplify right side
79,540.76x = 3,912,501,013.56 - Step 5: Solve for x
x = 3,912,501,013.56/79,540.76 - Step 6: Final answer
x = 49,188.63
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1.5x scale
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.