Home / 57,311.20-85,966.80-41,759.20

Finding the Fourth Proportional to 57,311.20, 85,966.80 and 41,759.20

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Solution

The fourth proportional to 57,311.20, 85,966.80 and 41,759.20 is: 62,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,311.20 : 85,966.80 = 41,759.20 : x
  2. Step 2: Convert to fraction form
    57,311.20/85,966.80 = 41,759.20/x
  3. Step 3: Cross multiply
    57,311.20x = 85,966.80 × 41,759.20
  4. Step 4: Simplify right side
    57,311.20x = 3,589,904,794.56
  5. Step 5: Solve for x
    x = 3,589,904,794.56/57,311.20
  6. Step 6: Final answer
    x = 62,638.80

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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.