Home / 80,687.73-111,335.55-44,872.95

Finding the Fourth Proportional to 80,687.73, 111,335.55 and 44,872.95

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Solution

The fourth proportional to 80,687.73, 111,335.55 and 44,872.95 is: 61,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,687.73 : 111,335.55 = 44,872.95 : x
  2. Step 2: Convert to fraction form
    80,687.73/111,335.55 = 44,872.95/x
  3. Step 3: Cross multiply
    80,687.73x = 111,335.55 × 44,872.95
  4. Step 4: Simplify right side
    80,687.73x = 4,995,954,817.61
  5. Step 5: Solve for x
    x = 4,995,954,817.61/80,687.73
  6. Step 6: Final answer
    x = 61,917.15

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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.