Home / 102,789.76-154,177.92-32,673.28

Finding the Fourth Proportional to 102,789.76, 154,177.92 and 32,673.28

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Solution

The fourth proportional to 102,789.76, 154,177.92 and 32,673.28 is: 49,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,789.76 : 154,177.92 = 32,673.28 : x
  2. Step 2: Convert to fraction form
    102,789.76/154,177.92 = 32,673.28/x
  3. Step 3: Cross multiply
    102,789.76x = 154,177.92 × 32,673.28
  4. Step 4: Simplify right side
    102,789.76x = 5,037,498,349.98
  5. Step 5: Solve for x
    x = 5,037,498,349.98/102,789.76
  6. Step 6: Final answer
    x = 49,007.78

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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.