Home / 81,034.97-111,833.87-45,231.95

Finding the Fourth Proportional to 81,034.97, 111,833.87 and 45,231.95

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Solution

The fourth proportional to 81,034.97, 111,833.87 and 45,231.95 is: 62,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,034.97 : 111,833.87 = 45,231.95 : x
  2. Step 2: Convert to fraction form
    81,034.97/111,833.87 = 45,231.95/x
  3. Step 3: Cross multiply
    81,034.97x = 111,833.87 × 45,231.95
  4. Step 4: Simplify right side
    81,034.97x = 5,058,464,069.57
  5. Step 5: Solve for x
    x = 5,058,464,069.57/81,034.97
  6. Step 6: Final answer
    x = 62,423.23

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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.