Home / 89,565.30-123,617.79-51,350.52

Finding the Fourth Proportional to 89,565.30, 123,617.79 and 51,350.52

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Solution

The fourth proportional to 89,565.30, 123,617.79 and 51,350.52 is: 70,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.30 : 123,617.79 = 51,350.52 : x
  2. Step 2: Convert to fraction form
    89,565.30/123,617.79 = 51,350.52/x
  3. Step 3: Cross multiply
    89,565.30x = 123,617.79 × 51,350.52
  4. Step 4: Simplify right side
    89,565.30x = 6,347,837,797.75
  5. Step 5: Solve for x
    x = 6,347,837,797.75/89,565.30
  6. Step 6: Final answer
    x = 70,873.85

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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.