Home / 73,789.91-110,717.26-38,721.36

Finding the Fourth Proportional to 73,789.91, 110,717.26 and 38,721.36

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Solution

The fourth proportional to 73,789.91, 110,717.26 and 38,721.36 is: 58,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,789.91 : 110,717.26 = 38,721.36 : x
  2. Step 2: Convert to fraction form
    73,789.91/110,717.26 = 38,721.36/x
  3. Step 3: Cross multiply
    73,789.91x = 110,717.26 × 38,721.36
  4. Step 4: Simplify right side
    73,789.91x = 4,287,122,785.87
  5. Step 5: Solve for x
    x = 4,287,122,785.87/73,789.91
  6. Step 6: Final answer
    x = 58,099.04

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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.