Home / 57,375.90-79,171.83-31,882.14

Finding the Fourth Proportional to 57,375.90, 79,171.83 and 31,882.14

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Solution

The fourth proportional to 57,375.90, 79,171.83 and 31,882.14 is: 43,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,375.90 : 79,171.83 = 31,882.14 : x
  2. Step 2: Convert to fraction form
    57,375.90/79,171.83 = 31,882.14/x
  3. Step 3: Cross multiply
    57,375.90x = 79,171.83 × 31,882.14
  4. Step 4: Simplify right side
    57,375.90x = 2,524,167,368.12
  5. Step 5: Solve for x
    x = 2,524,167,368.12/57,375.90
  6. Step 6: Final answer
    x = 43,993.51

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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.