Home / 80,546.78-111,163.29-48,733.22

Finding the Fourth Proportional to 80,546.78, 111,163.29 and 48,733.22

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Solution

The fourth proportional to 80,546.78, 111,163.29 and 48,733.22 is: 67,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,546.78 : 111,163.29 = 48,733.22 : x
  2. Step 2: Convert to fraction form
    80,546.78/111,163.29 = 48,733.22/x
  3. Step 3: Cross multiply
    80,546.78x = 111,163.29 × 48,733.22
  4. Step 4: Simplify right side
    80,546.78x = 5,417,345,067.49
  5. Step 5: Solve for x
    x = 5,417,345,067.49/80,546.78
  6. Step 6: Final answer
    x = 67,257.13

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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.