Finding the Fourth Proportional to 87,125.52, 130,629.14 and 44,325.76
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Solution
The fourth proportional to 87,125.52, 130,629.14 and 44,325.76 is: 66,458.55
Step by Step Solution
- Step 1: Write the proportion equation
87,125.52 : 130,629.14 = 44,325.76 : x - Step 2: Convert to fraction form
87,125.52/130,629.14 = 44,325.76/x - Step 3: Cross multiply
87,125.52x = 130,629.14 × 44,325.76 - Step 4: Simplify right side
87,125.52x = 5,790,235,908.65 - Step 5: Solve for x
x = 5,790,235,908.65/87,125.52 - Step 6: Final answer
x = 66,458.55
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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.