Home / 57,370.11-85,930.55-27,725.78

Finding the Fourth Proportional to 57,370.11, 85,930.55 and 27,725.78

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Solution

The fourth proportional to 57,370.11, 85,930.55 and 27,725.78 is: 41,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370.11 : 85,930.55 = 27,725.78 : x
  2. Step 2: Convert to fraction form
    57,370.11/85,930.55 = 27,725.78/x
  3. Step 3: Cross multiply
    57,370.11x = 85,930.55 × 27,725.78
  4. Step 4: Simplify right side
    57,370.11x = 2,382,491,524.58
  5. Step 5: Solve for x
    x = 2,382,491,524.58/57,370.11
  6. Step 6: Final answer
    x = 41,528.45

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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.