Home / 81,542.62-112,529.94-49,272.76

Finding the Fourth Proportional to 81,542.62, 112,529.94 and 49,272.76

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Solution

The fourth proportional to 81,542.62, 112,529.94 and 49,272.76 is: 67,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,542.62 : 112,529.94 = 49,272.76 : x
  2. Step 2: Convert to fraction form
    81,542.62/112,529.94 = 49,272.76/x
  3. Step 3: Cross multiply
    81,542.62x = 112,529.94 × 49,272.76
  4. Step 4: Simplify right side
    81,542.62x = 5,544,660,726.43
  5. Step 5: Solve for x
    x = 5,544,660,726.43/81,542.62
  6. Step 6: Final answer
    x = 67,997.09

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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.