Home / 57,698.28-86,542.55-18,249.66

Finding the Fourth Proportional to 57,698.28, 86,542.55 and 18,249.66

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Solution

The fourth proportional to 57,698.28, 86,542.55 and 18,249.66 is: 27,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.28 : 86,542.55 = 18,249.66 : x
  2. Step 2: Convert to fraction form
    57,698.28/86,542.55 = 18,249.66/x
  3. Step 3: Cross multiply
    57,698.28x = 86,542.55 × 18,249.66
  4. Step 4: Simplify right side
    57,698.28x = 1,579,372,113.03
  5. Step 5: Solve for x
    x = 1,579,372,113.03/57,698.28
  6. Step 6: Final answer
    x = 27,372.95

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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.