Home / 54,820.76-81,834.46-48,177.92

Finding the Fourth Proportional to 54,820.76, 81,834.46 and 48,177.92

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Solution

The fourth proportional to 54,820.76, 81,834.46 and 48,177.92 is: 71,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.76 : 81,834.46 = 48,177.92 : x
  2. Step 2: Convert to fraction form
    54,820.76/81,834.46 = 48,177.92/x
  3. Step 3: Cross multiply
    54,820.76x = 81,834.46 × 48,177.92
  4. Step 4: Simplify right side
    54,820.76x = 3,942,614,067.12
  5. Step 5: Solve for x
    x = 3,942,614,067.12/54,820.76
  6. Step 6: Final answer
    x = 71,918.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.