Home / 89,453.16-123,439.14-49,165.92

Finding the Fourth Proportional to 89,453.16, 123,439.14 and 49,165.92

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Solution

The fourth proportional to 89,453.16, 123,439.14 and 49,165.92 is: 67,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,453.16 : 123,439.14 = 49,165.92 : x
  2. Step 2: Convert to fraction form
    89,453.16/123,439.14 = 49,165.92/x
  3. Step 3: Cross multiply
    89,453.16x = 123,439.14 × 49,165.92
  4. Step 4: Simplify right side
    89,453.16x = 6,068,998,882.11
  5. Step 5: Solve for x
    x = 6,068,998,882.11/89,453.16
  6. Step 6: Final answer
    x = 67,845.55

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1.5x scale

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.