Home / 57,734.97-86,604.89-18,291.21

Finding the Fourth Proportional to 57,734.97, 86,604.89 and 18,291.21

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Solution

The fourth proportional to 57,734.97, 86,604.89 and 18,291.21 is: 27,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.97 : 86,604.89 = 18,291.21 : x
  2. Step 2: Convert to fraction form
    57,734.97/86,604.89 = 18,291.21/x
  3. Step 3: Cross multiply
    57,734.97x = 86,604.89 × 18,291.21
  4. Step 4: Simplify right side
    57,734.97x = 1,584,108,138.56
  5. Step 5: Solve for x
    x = 1,584,108,138.56/57,734.97
  6. Step 6: Final answer
    x = 27,437.58

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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.