Home / 89,514.24-123,532.68-49,229.70

Finding the Fourth Proportional to 89,514.24, 123,532.68 and 49,229.70

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Solution

The fourth proportional to 89,514.24, 123,532.68 and 49,229.70 is: 67,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,514.24 : 123,532.68 = 49,229.70 : x
  2. Step 2: Convert to fraction form
    89,514.24/123,532.68 = 49,229.70/x
  3. Step 3: Cross multiply
    89,514.24x = 123,532.68 × 49,229.70
  4. Step 4: Simplify right side
    89,514.24x = 6,081,476,776.60
  5. Step 5: Solve for x
    x = 6,081,476,776.60/89,514.24
  6. Step 6: Final answer
    x = 67,938.65

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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.