Home / 89,758.92-123,867.90-51,508.26

Finding the Fourth Proportional to 89,758.92, 123,867.90 and 51,508.26

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Solution

The fourth proportional to 89,758.92, 123,867.90 and 51,508.26 is: 71,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,758.92 : 123,867.90 = 51,508.26 : x
  2. Step 2: Convert to fraction form
    89,758.92/123,867.90 = 51,508.26/x
  3. Step 3: Cross multiply
    89,758.92x = 123,867.90 × 51,508.26
  4. Step 4: Simplify right side
    89,758.92x = 6,380,219,998.85
  5. Step 5: Solve for x
    x = 6,380,219,998.85/89,758.92
  6. Step 6: Final answer
    x = 71,081.74

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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.