Home / 89,738.62-123,840.13-49,453.83

Finding the Fourth Proportional to 89,738.62, 123,840.13 and 49,453.83

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Solution

The fourth proportional to 89,738.62, 123,840.13 and 49,453.83 is: 68,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,738.62 : 123,840.13 = 49,453.83 : x
  2. Step 2: Convert to fraction form
    89,738.62/123,840.13 = 49,453.83/x
  3. Step 3: Cross multiply
    89,738.62x = 123,840.13 × 49,453.83
  4. Step 4: Simplify right side
    89,738.62x = 6,124,367,869.73
  5. Step 5: Solve for x
    x = 6,124,367,869.73/89,738.62
  6. Step 6: Final answer
    x = 68,246.74

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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.