Home / 69,421.66-95,791.61-39,206.43

Finding the Fourth Proportional to 69,421.66, 95,791.61 and 39,206.43

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Solution

The fourth proportional to 69,421.66, 95,791.61 and 39,206.43 is: 54,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,421.66 : 95,791.61 = 39,206.43 : x
  2. Step 2: Convert to fraction form
    69,421.66/95,791.61 = 39,206.43/x
  3. Step 3: Cross multiply
    69,421.66x = 95,791.61 × 39,206.43
  4. Step 4: Simplify right side
    69,421.66x = 3,755,647,150.07
  5. Step 5: Solve for x
    x = 3,755,647,150.07/69,421.66
  6. Step 6: Final answer
    x = 54,099.07

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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.