Home / 89,851.92-123,995.67-49,565.70

Finding the Fourth Proportional to 89,851.92, 123,995.67 and 49,565.70

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Solution

The fourth proportional to 89,851.92, 123,995.67 and 49,565.70 is: 68,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.92 : 123,995.67 = 49,565.70 : x
  2. Step 2: Convert to fraction form
    89,851.92/123,995.67 = 49,565.70/x
  3. Step 3: Cross multiply
    89,851.92x = 123,995.67 × 49,565.70
  4. Step 4: Simplify right side
    89,851.92x = 6,145,932,180.52
  5. Step 5: Solve for x
    x = 6,145,932,180.52/89,851.92
  6. Step 6: Final answer
    x = 68,400.68

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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.