Home / 89,760.66-123,864.12-49,474.74

Finding the Fourth Proportional to 89,760.66, 123,864.12 and 49,474.74

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Solution

The fourth proportional to 89,760.66, 123,864.12 and 49,474.74 is: 68,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,760.66 : 123,864.12 = 49,474.74 : x
  2. Step 2: Convert to fraction form
    89,760.66/123,864.12 = 49,474.74/x
  3. Step 3: Cross multiply
    89,760.66x = 123,864.12 × 49,474.74
  4. Step 4: Simplify right side
    89,760.66x = 6,128,145,132.33
  5. Step 5: Solve for x
    x = 6,128,145,132.33/89,760.66
  6. Step 6: Final answer
    x = 68,272.06

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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.