Home / 81,062.00-111,833.41-54,161.90

Finding the Fourth Proportional to 81,062.00, 111,833.41 and 54,161.90

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Solution

The fourth proportional to 81,062.00, 111,833.41 and 54,161.90 is: 74,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,062.00 : 111,833.41 = 54,161.90 : x
  2. Step 2: Convert to fraction form
    81,062.00/111,833.41 = 54,161.90/x
  3. Step 3: Cross multiply
    81,062.00x = 111,833.41 × 54,161.90
  4. Step 4: Simplify right side
    81,062.00x = 6,057,109,795.44
  5. Step 5: Solve for x
    x = 6,057,109,795.44/81,062.00
  6. Step 6: Final answer
    x = 74,721.94

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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.