Home / 57,974.20-86,940.80-27,575.76

Finding the Fourth Proportional to 57,974.20, 86,940.80 and 27,575.76

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Solution

The fourth proportional to 57,974.20, 86,940.80 and 27,575.76 is: 41,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.20 : 86,940.80 = 27,575.76 : x
  2. Step 2: Convert to fraction form
    57,974.20/86,940.80 = 27,575.76/x
  3. Step 3: Cross multiply
    57,974.20x = 86,940.80 × 27,575.76
  4. Step 4: Simplify right side
    57,974.20x = 2,397,458,635.01
  5. Step 5: Solve for x
    x = 2,397,458,635.01/57,974.20
  6. Step 6: Final answer
    x = 41,353.89

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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.