Home / 57,489.40-79,335.25-32,338.90

Finding the Fourth Proportional to 57,489.40, 79,335.25 and 32,338.90

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Solution

The fourth proportional to 57,489.40, 79,335.25 and 32,338.90 is: 44,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,489.40 : 79,335.25 = 32,338.90 : x
  2. Step 2: Convert to fraction form
    57,489.40/79,335.25 = 32,338.90/x
  3. Step 3: Cross multiply
    57,489.40x = 79,335.25 × 32,338.90
  4. Step 4: Simplify right side
    57,489.40x = 2,565,614,716.23
  5. Step 5: Solve for x
    x = 2,565,614,716.23/57,489.40
  6. Step 6: Final answer
    x = 44,627.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.