Home / 56,884.20-85,257.10-40,249.05

Finding the Fourth Proportional to 56,884.20, 85,257.10 and 40,249.05

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Solution

The fourth proportional to 56,884.20, 85,257.10 and 40,249.05 is: 60,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.20 : 85,257.10 = 40,249.05 : x
  2. Step 2: Convert to fraction form
    56,884.20/85,257.10 = 40,249.05/x
  3. Step 3: Cross multiply
    56,884.20x = 85,257.10 × 40,249.05
  4. Step 4: Simplify right side
    56,884.20x = 3,431,517,280.76
  5. Step 5: Solve for x
    x = 3,431,517,280.76/56,884.20
  6. Step 6: Final answer
    x = 60,324.61

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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.