Home / 89,934.39-124,108.76-49,648.21

Finding the Fourth Proportional to 89,934.39, 124,108.76 and 49,648.21

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Solution

The fourth proportional to 89,934.39, 124,108.76 and 49,648.21 is: 68,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.39 : 124,108.76 = 49,648.21 : x
  2. Step 2: Convert to fraction form
    89,934.39/124,108.76 = 49,648.21/x
  3. Step 3: Cross multiply
    89,934.39x = 124,108.76 × 49,648.21
  4. Step 4: Simplify right side
    89,934.39x = 6,161,777,593.17
  5. Step 5: Solve for x
    x = 6,161,777,593.17/89,934.39
  6. Step 6: Final answer
    x = 68,514.14

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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.