Home / 89,229.36-123,139.96-48,944.82

Finding the Fourth Proportional to 89,229.36, 123,139.96 and 48,944.82

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Solution

The fourth proportional to 89,229.36, 123,139.96 and 48,944.82 is: 67,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.36 : 123,139.96 = 48,944.82 : x
  2. Step 2: Convert to fraction form
    89,229.36/123,139.96 = 48,944.82/x
  3. Step 3: Cross multiply
    89,229.36x = 123,139.96 × 48,944.82
  4. Step 4: Simplify right side
    89,229.36x = 6,027,063,177.01
  5. Step 5: Solve for x
    x = 6,027,063,177.01/89,229.36
  6. Step 6: Final answer
    x = 67,545.74

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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.