Home / 81,132.82-111,963.01-44,833.26

Finding the Fourth Proportional to 81,132.82, 111,963.01 and 44,833.26

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Solution

The fourth proportional to 81,132.82, 111,963.01 and 44,833.26 is: 61,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,132.82 : 111,963.01 = 44,833.26 : x
  2. Step 2: Convert to fraction form
    81,132.82/111,963.01 = 44,833.26/x
  3. Step 3: Cross multiply
    81,132.82x = 111,963.01 × 44,833.26
  4. Step 4: Simplify right side
    81,132.82x = 5,019,666,177.90
  5. Step 5: Solve for x
    x = 5,019,666,177.90/81,132.82
  6. Step 6: Final answer
    x = 61,869.74

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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.