Home / 107,789.57-161,584.59-55,082.87

Finding the Fourth Proportional to 107,789.57, 161,584.59 and 55,082.87

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Solution

The fourth proportional to 107,789.57, 161,584.59 and 55,082.87 is: 82,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,789.57 : 161,584.59 = 55,082.87 : x
  2. Step 2: Convert to fraction form
    107,789.57/161,584.59 = 55,082.87/x
  3. Step 3: Cross multiply
    107,789.57x = 161,584.59 × 55,082.87
  4. Step 4: Simplify right side
    107,789.57x = 8,900,542,964.97
  5. Step 5: Solve for x
    x = 8,900,542,964.97/107,789.57
  6. Step 6: Final answer
    x = 82,573.32

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1.5x scale

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.