Home / 57,190.05-85,883.49-54,729.68

Finding the Fourth Proportional to 57,190.05, 85,883.49 and 54,729.68

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Solution

The fourth proportional to 57,190.05, 85,883.49 and 54,729.68 is: 82,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,190.05 : 85,883.49 = 54,729.68 : x
  2. Step 2: Convert to fraction form
    57,190.05/85,883.49 = 54,729.68/x
  3. Step 3: Cross multiply
    57,190.05x = 85,883.49 × 54,729.68
  4. Step 4: Simplify right side
    57,190.05x = 4,700,375,495.57
  5. Step 5: Solve for x
    x = 4,700,375,495.57/57,190.05
  6. Step 6: Final answer
    x = 82,188.69

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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.