Home / 75,540.20-113,321.10-25,622.60

Finding the Fourth Proportional to 75,540.20, 113,321.10 and 25,622.60

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Solution

The fourth proportional to 75,540.20, 113,321.10 and 25,622.60 is: 38,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540.20 : 113,321.10 = 25,622.60 : x
  2. Step 2: Convert to fraction form
    75,540.20/113,321.10 = 25,622.60/x
  3. Step 3: Cross multiply
    75,540.20x = 113,321.10 × 25,622.60
  4. Step 4: Simplify right side
    75,540.20x = 2,903,581,216.86
  5. Step 5: Solve for x
    x = 2,903,581,216.86/75,540.20
  6. Step 6: Final answer
    x = 38,437.56

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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.