Finding the Fourth Proportional to 73,790.10, 110,685.15 and 29,423.70
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Solution
The fourth proportional to 73,790.10, 110,685.15 and 29,423.70 is: 44,135.55
Step by Step Solution
- Step 1: Write the proportion equation
73,790.10 : 110,685.15 = 29,423.70 : x - Step 2: Convert to fraction form
73,790.10/110,685.15 = 29,423.70/x - Step 3: Cross multiply
73,790.10x = 110,685.15 × 29,423.70 - Step 4: Simplify right side
73,790.10x = 3,256,766,648.06 - Step 5: Solve for x
x = 3,256,766,648.06/73,790.10 - Step 6: Final answer
x = 44,135.55
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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.