Finding the Fourth Proportional to 79,891.38, 110,250.68 and 44,082.72
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Solution
The fourth proportional to 79,891.38, 110,250.68 and 44,082.72 is: 60,834.47
Step by Step Solution
- Step 1: Write the proportion equation
79,891.38 : 110,250.68 = 44,082.72 : x - Step 2: Convert to fraction form
79,891.38/110,250.68 = 44,082.72/x - Step 3: Cross multiply
79,891.38x = 110,250.68 × 44,082.72 - Step 4: Simplify right side
79,891.38x = 4,860,149,856.25 - Step 5: Solve for x
x = 4,860,149,856.25/79,891.38 - Step 6: Final answer
x = 60,834.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.