Home / 54,085.90-81,159.39-29,125.42

Finding the Fourth Proportional to 54,085.90, 81,159.39 and 29,125.42

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Solution

The fourth proportional to 54,085.90, 81,159.39 and 29,125.42 is: 43,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.90 : 81,159.39 = 29,125.42 : x
  2. Step 2: Convert to fraction form
    54,085.90/81,159.39 = 29,125.42/x
  3. Step 3: Cross multiply
    54,085.90x = 81,159.39 × 29,125.42
  4. Step 4: Simplify right side
    54,085.90x = 2,363,801,320.69
  5. Step 5: Solve for x
    x = 2,363,801,320.69/54,085.90
  6. Step 6: Final answer
    x = 43,704.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.