Home / 48,717.38-73,078.20-15,439.88

Finding the Fourth Proportional to 48,717.38, 73,078.20 and 15,439.88

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Solution

The fourth proportional to 48,717.38, 73,078.20 and 15,439.88 is: 23,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,717.38 : 73,078.20 = 15,439.88 : x
  2. Step 2: Convert to fraction form
    48,717.38/73,078.20 = 15,439.88/x
  3. Step 3: Cross multiply
    48,717.38x = 73,078.20 × 15,439.88
  4. Step 4: Simplify right side
    48,717.38x = 1,128,318,273.23
  5. Step 5: Solve for x
    x = 1,128,318,273.23/48,717.38
  6. Step 6: Final answer
    x = 23,160.49

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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.