Finding the Fourth Proportional to 79,890.87, 110,249.99 and 44,082.21
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Solution
The fourth proportional to 79,890.87, 110,249.99 and 44,082.21 is: 60,833.78
Step by Step Solution
- Step 1: Write the proportion equation
79,890.87 : 110,249.99 = 44,082.21 : x - Step 2: Convert to fraction form
79,890.87/110,249.99 = 44,082.21/x - Step 3: Cross multiply
79,890.87x = 110,249.99 × 44,082.21 - Step 4: Simplify right side
79,890.87x = 4,860,063,211.68 - Step 5: Solve for x
x = 4,860,063,211.68/79,890.87 - Step 6: Final answer
x = 60,833.78
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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.