Home / 57,827.67-86,722.92-18,375.56

Finding the Fourth Proportional to 57,827.67, 86,722.92 and 18,375.56

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Solution

The fourth proportional to 57,827.67, 86,722.92 and 18,375.56 is: 27,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,827.67 : 86,722.92 = 18,375.56 : x
  2. Step 2: Convert to fraction form
    57,827.67/86,722.92 = 18,375.56/x
  3. Step 3: Cross multiply
    57,827.67x = 86,722.92 × 18,375.56
  4. Step 4: Simplify right side
    57,827.67x = 1,593,581,786.22
  5. Step 5: Solve for x
    x = 1,593,581,786.22/57,827.67
  6. Step 6: Final answer
    x = 27,557.43

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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.