Home / 48,731.20-73,125.60-32,139.20

Finding the Fourth Proportional to 48,731.20, 73,125.60 and 32,139.20

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Solution

The fourth proportional to 48,731.20, 73,125.60 and 32,139.20 is: 48,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.20 : 73,125.60 = 32,139.20 : x
  2. Step 2: Convert to fraction form
    48,731.20/73,125.60 = 32,139.20/x
  3. Step 3: Cross multiply
    48,731.20x = 73,125.60 × 32,139.20
  4. Step 4: Simplify right side
    48,731.20x = 2,350,198,283.52
  5. Step 5: Solve for x
    x = 2,350,198,283.52/48,731.20
  6. Step 6: Final answer
    x = 48,227.79

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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.