Home / 90,227.16-124,496.19-49,939.02

Finding the Fourth Proportional to 90,227.16, 124,496.19 and 49,939.02

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Solution

The fourth proportional to 90,227.16, 124,496.19 and 49,939.02 is: 68,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227.16 : 124,496.19 = 49,939.02 : x
  2. Step 2: Convert to fraction form
    90,227.16/124,496.19 = 49,939.02/x
  3. Step 3: Cross multiply
    90,227.16x = 124,496.19 × 49,939.02
  4. Step 4: Simplify right side
    90,227.16x = 6,217,217,722.33
  5. Step 5: Solve for x
    x = 6,217,217,722.33/90,227.16
  6. Step 6: Final answer
    x = 68,906.28

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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.