Finding the Fourth Proportional to 79,385.64, 119,074.50 and 29,475.42
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Solution
The fourth proportional to 79,385.64, 119,074.50 and 29,475.42 is: 44,211.66
Step by Step Solution
- Step 1: Write the proportion equation
79,385.64 : 119,074.50 = 29,475.42 : x - Step 2: Convert to fraction form
79,385.64/119,074.50 = 29,475.42/x - Step 3: Cross multiply
79,385.64x = 119,074.50 × 29,475.42 - Step 4: Simplify right side
79,385.64x = 3,509,770,898.79 - Step 5: Solve for x
x = 3,509,770,898.79/79,385.64 - Step 6: Final answer
x = 44,211.66
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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.