Home / 57,761.28-86,644.26-18,317.52

Finding the Fourth Proportional to 57,761.28, 86,644.26 and 18,317.52

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Solution

The fourth proportional to 57,761.28, 86,644.26 and 18,317.52 is: 27,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,761.28 : 86,644.26 = 18,317.52 : x
  2. Step 2: Convert to fraction form
    57,761.28/86,644.26 = 18,317.52/x
  3. Step 3: Cross multiply
    57,761.28x = 86,644.26 × 18,317.52
  4. Step 4: Simplify right side
    57,761.28x = 1,587,107,965.44
  5. Step 5: Solve for x
    x = 1,587,107,965.44/57,761.28
  6. Step 6: Final answer
    x = 27,477.02

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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.