Home / 57,626.20-86,568.90-40,130.20

Finding the Fourth Proportional to 57,626.20, 86,568.90 and 40,130.20

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Solution

The fourth proportional to 57,626.20, 86,568.90 and 40,130.20 is: 60,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,626.20 : 86,568.90 = 40,130.20 : x
  2. Step 2: Convert to fraction form
    57,626.20/86,568.90 = 40,130.20/x
  3. Step 3: Cross multiply
    57,626.20x = 86,568.90 × 40,130.20
  4. Step 4: Simplify right side
    57,626.20x = 3,474,027,270.78
  5. Step 5: Solve for x
    x = 3,474,027,270.78/57,626.20
  6. Step 6: Final answer
    x = 60,285.55

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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.