Finding the Fourth Proportional to 87,850.87, 121,234.04 and 47,564.63
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Solution
The fourth proportional to 87,850.87, 121,234.04 and 47,564.63 is: 65,639.09
Step by Step Solution
- Step 1: Write the proportion equation
87,850.87 : 121,234.04 = 47,564.63 : x - Step 2: Convert to fraction form
87,850.87/121,234.04 = 47,564.63/x - Step 3: Cross multiply
87,850.87x = 121,234.04 × 47,564.63 - Step 4: Simplify right side
87,850.87x = 5,766,451,412.01 - Step 5: Solve for x
x = 5,766,451,412.01/87,850.87 - Step 6: Final answer
x = 65,639.09
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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.