Home / 90,249.17-124,542.36-49,962.06

Finding the Fourth Proportional to 90,249.17, 124,542.36 and 49,962.06

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Solution

The fourth proportional to 90,249.17, 124,542.36 and 49,962.06 is: 68,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,249.17 : 124,542.36 = 49,962.06 : x
  2. Step 2: Convert to fraction form
    90,249.17/124,542.36 = 49,962.06/x
  3. Step 3: Cross multiply
    90,249.17x = 124,542.36 × 49,962.06
  4. Step 4: Simplify right side
    90,249.17x = 6,222,392,862.86
  5. Step 5: Solve for x
    x = 6,222,392,862.86/90,249.17
  6. Step 6: Final answer
    x = 68,946.82

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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.