Home / 54,383.12-81,578.55-22,761.36

Finding the Fourth Proportional to 54,383.12, 81,578.55 and 22,761.36

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Solution

The fourth proportional to 54,383.12, 81,578.55 and 22,761.36 is: 34,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.12 : 81,578.55 = 22,761.36 : x
  2. Step 2: Convert to fraction form
    54,383.12/81,578.55 = 22,761.36/x
  3. Step 3: Cross multiply
    54,383.12x = 81,578.55 × 22,761.36
  4. Step 4: Simplify right side
    54,383.12x = 1,856,838,744.83
  5. Step 5: Solve for x
    x = 1,856,838,744.83/54,383.12
  6. Step 6: Final answer
    x = 34,143.66

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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.