Finding the Fourth Proportional to 88,608.38, 132,762.12 and 53,474.21
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Solution
The fourth proportional to 88,608.38, 132,762.12 and 53,474.21 is: 80,120.52
Step by Step Solution
- Step 1: Write the proportion equation
88,608.38 : 132,762.12 = 53,474.21 : x - Step 2: Convert to fraction form
88,608.38/132,762.12 = 53,474.21/x - Step 3: Cross multiply
88,608.38x = 132,762.12 × 53,474.21 - Step 4: Simplify right side
88,608.38x = 7,099,349,484.93 - Step 5: Solve for x
x = 7,099,349,484.93/88,608.38 - Step 6: Final answer
x = 80,120.52
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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.