Home / 102,691.20-153,939.60-32,532.24

Finding the Fourth Proportional to 102,691.20, 153,939.60 and 32,532.24

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Solution

The fourth proportional to 102,691.20, 153,939.60 and 32,532.24 is: 48,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,691.20 : 153,939.60 = 32,532.24 : x
  2. Step 2: Convert to fraction form
    102,691.20/153,939.60 = 32,532.24/x
  3. Step 3: Cross multiply
    102,691.20x = 153,939.60 × 32,532.24
  4. Step 4: Simplify right side
    102,691.20x = 5,008,000,012.70
  5. Step 5: Solve for x
    x = 5,008,000,012.70/102,691.20
  6. Step 6: Final answer
    x = 48,767.57

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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.