Home / 80,785.28-111,481.70-44,974.51

Finding the Fourth Proportional to 80,785.28, 111,481.70 and 44,974.51

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Solution

The fourth proportional to 80,785.28, 111,481.70 and 44,974.51 is: 62,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785.28 : 111,481.70 = 44,974.51 : x
  2. Step 2: Convert to fraction form
    80,785.28/111,481.70 = 44,974.51/x
  3. Step 3: Cross multiply
    80,785.28x = 111,481.70 × 44,974.51
  4. Step 4: Simplify right side
    80,785.28x = 5,013,834,327.89
  5. Step 5: Solve for x
    x = 5,013,834,327.89/80,785.28
  6. Step 6: Final answer
    x = 62,063.71

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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.