Finding the Fourth Proportional to 87,734.44, 131,651.82 and 37,129.48
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Solution
The fourth proportional to 87,734.44, 131,651.82 and 37,129.48 is: 55,715.45
Step by Step Solution
- Step 1: Write the proportion equation
87,734.44 : 131,651.82 = 37,129.48 : x - Step 2: Convert to fraction form
87,734.44/131,651.82 = 37,129.48/x - Step 3: Cross multiply
87,734.44x = 131,651.82 × 37,129.48 - Step 4: Simplify right side
87,734.44x = 4,888,163,617.65 - Step 5: Solve for x
x = 4,888,163,617.65/87,734.44 - Step 6: Final answer
x = 55,715.45
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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.