Home / 57,404.20-85,863.30-51,523.60

Finding the Fourth Proportional to 57,404.20, 85,863.30 and 51,523.60

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Solution

The fourth proportional to 57,404.20, 85,863.30 and 51,523.60 is: 77,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.20 : 85,863.30 = 51,523.60 : x
  2. Step 2: Convert to fraction form
    57,404.20/85,863.30 = 51,523.60/x
  3. Step 3: Cross multiply
    57,404.20x = 85,863.30 × 51,523.60
  4. Step 4: Simplify right side
    57,404.20x = 4,423,986,323.88
  5. Step 5: Solve for x
    x = 4,423,986,323.88/57,404.20
  6. Step 6: Final answer
    x = 77,067.29

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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.