Home / 57,198.20-85,845.90-25,656.80

Finding the Fourth Proportional to 57,198.20, 85,845.90 and 25,656.80

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Solution

The fourth proportional to 57,198.20, 85,845.90 and 25,656.80 is: 38,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,198.20 : 85,845.90 = 25,656.80 : x
  2. Step 2: Convert to fraction form
    57,198.20/85,845.90 = 25,656.80/x
  3. Step 3: Cross multiply
    57,198.20x = 85,845.90 × 25,656.80
  4. Step 4: Simplify right side
    57,198.20x = 2,202,531,087.12
  5. Step 5: Solve for x
    x = 2,202,531,087.12/57,198.20
  6. Step 6: Final answer
    x = 38,507.00

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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.