Home / 89,739.97-123,841.97-49,455.17

Finding the Fourth Proportional to 89,739.97, 123,841.97 and 49,455.17

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Solution

The fourth proportional to 89,739.97, 123,841.97 and 49,455.17 is: 68,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,739.97 : 123,841.97 = 49,455.17 : x
  2. Step 2: Convert to fraction form
    89,739.97/123,841.97 = 49,455.17/x
  3. Step 3: Cross multiply
    89,739.97x = 123,841.97 × 49,455.17
  4. Step 4: Simplify right side
    89,739.97x = 6,124,625,183.91
  5. Step 5: Solve for x
    x = 6,124,625,183.91/89,739.97
  6. Step 6: Final answer
    x = 68,248.58

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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.