Home / 90,229.92-124,514.11-49,943.76

Finding the Fourth Proportional to 90,229.92, 124,514.11 and 49,943.76

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Solution

The fourth proportional to 90,229.92, 124,514.11 and 49,943.76 is: 68,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,229.92 : 124,514.11 = 49,943.76 : x
  2. Step 2: Convert to fraction form
    90,229.92/124,514.11 = 49,943.76/x
  3. Step 3: Cross multiply
    90,229.92x = 124,514.11 × 49,943.76
  4. Step 4: Simplify right side
    90,229.92x = 6,218,701,954.16
  5. Step 5: Solve for x
    x = 6,218,701,954.16/90,229.92
  6. Step 6: Final answer
    x = 68,920.62

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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.