Home / 49,078.11-67,728.11-27,857.73

Finding the Fourth Proportional to 49,078.11, 67,728.11 and 27,857.73

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Solution

The fourth proportional to 49,078.11, 67,728.11 and 27,857.73 is: 38,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,078.11 : 67,728.11 = 27,857.73 : x
  2. Step 2: Convert to fraction form
    49,078.11/67,728.11 = 27,857.73/x
  3. Step 3: Cross multiply
    49,078.11x = 67,728.11 × 27,857.73
  4. Step 4: Simplify right side
    49,078.11x = 1,886,751,262.50
  5. Step 5: Solve for x
    x = 1,886,751,262.50/49,078.11
  6. Step 6: Final answer
    x = 38,443.85

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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.