Home / 69,380.46-95,745.36-39,167.10

Finding the Fourth Proportional to 69,380.46, 95,745.36 and 39,167.10

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Solution

The fourth proportional to 69,380.46, 95,745.36 and 39,167.10 is: 54,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.46 : 95,745.36 = 39,167.10 : x
  2. Step 2: Convert to fraction form
    69,380.46/95,745.36 = 39,167.10/x
  3. Step 3: Cross multiply
    69,380.46x = 95,745.36 × 39,167.10
  4. Step 4: Simplify right side
    69,380.46x = 3,750,068,089.66
  5. Step 5: Solve for x
    x = 3,750,068,089.66/69,380.46
  6. Step 6: Final answer
    x = 54,050.78

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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.