Home / 57,147.73-78,865.05-34,201.27

Finding the Fourth Proportional to 57,147.73, 78,865.05 and 34,201.27

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Solution

The fourth proportional to 57,147.73, 78,865.05 and 34,201.27 is: 47,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,147.73 : 78,865.05 = 34,201.27 : x
  2. Step 2: Convert to fraction form
    57,147.73/78,865.05 = 34,201.27/x
  3. Step 3: Cross multiply
    57,147.73x = 78,865.05 × 34,201.27
  4. Step 4: Simplify right side
    57,147.73x = 2,697,284,868.61
  5. Step 5: Solve for x
    x = 2,697,284,868.61/57,147.73
  6. Step 6: Final answer
    x = 47,198.46

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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.