Home / 81,732.74-112,791.27-45,922.73

Finding the Fourth Proportional to 81,732.74, 112,791.27 and 45,922.73

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Solution

The fourth proportional to 81,732.74, 112,791.27 and 45,922.73 is: 63,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,732.74 : 112,791.27 = 45,922.73 : x
  2. Step 2: Convert to fraction form
    81,732.74/112,791.27 = 45,922.73/x
  3. Step 3: Cross multiply
    81,732.74x = 112,791.27 × 45,922.73
  4. Step 4: Simplify right side
    81,732.74x = 5,179,682,474.61
  5. Step 5: Solve for x
    x = 5,179,682,474.61/81,732.74
  6. Step 6: Final answer
    x = 63,373.41

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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.