Home / 81,182.13-111,992.25-50,952.52

Finding the Fourth Proportional to 81,182.13, 111,992.25 and 50,952.52

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Solution

The fourth proportional to 81,182.13, 111,992.25 and 50,952.52 is: 70,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182.13 : 111,992.25 = 50,952.52 : x
  2. Step 2: Convert to fraction form
    81,182.13/111,992.25 = 50,952.52/x
  3. Step 3: Cross multiply
    81,182.13x = 111,992.25 × 50,952.52
  4. Step 4: Simplify right side
    81,182.13x = 5,706,287,357.97
  5. Step 5: Solve for x
    x = 5,706,287,357.97/81,182.13
  6. Step 6: Final answer
    x = 70,289.94

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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.