Home / 80,719.92-111,390.68-44,417.97

Finding the Fourth Proportional to 80,719.92, 111,390.68 and 44,417.97

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Solution

The fourth proportional to 80,719.92, 111,390.68 and 44,417.97 is: 61,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,719.92 : 111,390.68 = 44,417.97 : x
  2. Step 2: Convert to fraction form
    80,719.92/111,390.68 = 44,417.97/x
  3. Step 3: Cross multiply
    80,719.92x = 111,390.68 × 44,417.97
  4. Step 4: Simplify right side
    80,719.92x = 4,947,747,882.52
  5. Step 5: Solve for x
    x = 4,947,747,882.52/80,719.92
  6. Step 6: Final answer
    x = 61,295.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.