Home / 57,834.20-86,708.10-31,568.60

Finding the Fourth Proportional to 57,834.20, 86,708.10 and 31,568.60

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Solution

The fourth proportional to 57,834.20, 86,708.10 and 31,568.60 is: 47,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,834.20 : 86,708.10 = 31,568.60 : x
  2. Step 2: Convert to fraction form
    57,834.20/86,708.10 = 31,568.60/x
  3. Step 3: Cross multiply
    57,834.20x = 86,708.10 × 31,568.60
  4. Step 4: Simplify right side
    57,834.20x = 2,737,253,325.66
  5. Step 5: Solve for x
    x = 2,737,253,325.66/57,834.20
  6. Step 6: Final answer
    x = 47,329.32

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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.