Home / 90,079.91-124,304.88-49,791.27

Finding the Fourth Proportional to 90,079.91, 124,304.88 and 49,791.27

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Solution

The fourth proportional to 90,079.91, 124,304.88 and 49,791.27 is: 68,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079.91 : 124,304.88 = 49,791.27 : x
  2. Step 2: Convert to fraction form
    90,079.91/124,304.88 = 49,791.27/x
  3. Step 3: Cross multiply
    90,079.91x = 124,304.88 × 49,791.27
  4. Step 4: Simplify right side
    90,079.91x = 6,189,298,215.18
  5. Step 5: Solve for x
    x = 6,189,298,215.18/90,079.91
  6. Step 6: Final answer
    x = 68,708.97

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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.