Home / 82,251.11-123,235.41-55,538.72

Finding the Fourth Proportional to 82,251.11, 123,235.41 and 55,538.72

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Solution

The fourth proportional to 82,251.11, 123,235.41 and 55,538.72 is: 83,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,251.11 : 123,235.41 = 55,538.72 : x
  2. Step 2: Convert to fraction form
    82,251.11/123,235.41 = 55,538.72/x
  3. Step 3: Cross multiply
    82,251.11x = 123,235.41 × 55,538.72
  4. Step 4: Simplify right side
    82,251.11x = 6,844,336,930.08
  5. Step 5: Solve for x
    x = 6,844,336,930.08/82,251.11
  6. Step 6: Final answer
    x = 83,212.70

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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.