Home / 54,913.80-75,781.20-29,763.30

Finding the Fourth Proportional to 54,913.80, 75,781.20 and 29,763.30

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Solution

The fourth proportional to 54,913.80, 75,781.20 and 29,763.30 is: 41,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.80 : 75,781.20 = 29,763.30 : x
  2. Step 2: Convert to fraction form
    54,913.80/75,781.20 = 29,763.30/x
  3. Step 3: Cross multiply
    54,913.80x = 75,781.20 × 29,763.30
  4. Step 4: Simplify right side
    54,913.80x = 2,255,498,589.96
  5. Step 5: Solve for x
    x = 2,255,498,589.96/54,913.80
  6. Step 6: Final answer
    x = 41,073.44

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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.