Home / 57,377.25-79,178.90-31,883.54

Finding the Fourth Proportional to 57,377.25, 79,178.90 and 31,883.54

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Solution

The fourth proportional to 57,377.25, 79,178.90 and 31,883.54 is: 43,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377.25 : 79,178.90 = 31,883.54 : x
  2. Step 2: Convert to fraction form
    57,377.25/79,178.90 = 31,883.54/x
  3. Step 3: Cross multiply
    57,377.25x = 79,178.90 × 31,883.54
  4. Step 4: Simplify right side
    57,377.25x = 2,524,503,069.99
  5. Step 5: Solve for x
    x = 2,524,503,069.99/57,377.25
  6. Step 6: Final answer
    x = 43,998.33

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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.