Home / 57,236.20-85,854.30-54,028.60

Finding the Fourth Proportional to 57,236.20, 85,854.30 and 54,028.60

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Solution

The fourth proportional to 57,236.20, 85,854.30 and 54,028.60 is: 81,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.20 : 85,854.30 = 54,028.60 : x
  2. Step 2: Convert to fraction form
    57,236.20/85,854.30 = 54,028.60/x
  3. Step 3: Cross multiply
    57,236.20x = 85,854.30 × 54,028.60
  4. Step 4: Simplify right side
    57,236.20x = 4,638,587,632.98
  5. Step 5: Solve for x
    x = 4,638,587,632.98/57,236.20
  6. Step 6: Final answer
    x = 81,042.90

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1.5x scale

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.