Finding the Fourth Proportional to 73,457.87, 110,122.20 and 29,115.75
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Solution
The fourth proportional to 73,457.87, 110,122.20 and 29,115.75 is: 43,648.02
Step by Step Solution
- Step 1: Write the proportion equation
73,457.87 : 110,122.20 = 29,115.75 : x - Step 2: Convert to fraction form
73,457.87/110,122.20 = 29,115.75/x - Step 3: Cross multiply
73,457.87x = 110,122.20 × 29,115.75 - Step 4: Simplify right side
73,457.87x = 3,206,290,857.61 - Step 5: Solve for x
x = 3,206,290,857.61/73,457.87 - Step 6: Final answer
x = 43,648.02
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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.