Home / 79,494.24-109,704.60-43,687.56

Finding the Fourth Proportional to 79,494.24, 109,704.60 and 43,687.56

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Solution

The fourth proportional to 79,494.24, 109,704.60 and 43,687.56 is: 60,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,494.24 : 109,704.60 = 43,687.56 : x
  2. Step 2: Convert to fraction form
    79,494.24/109,704.60 = 43,687.56/x
  3. Step 3: Cross multiply
    79,494.24x = 109,704.60 × 43,687.56
  4. Step 4: Simplify right side
    79,494.24x = 4,792,726,294.78
  5. Step 5: Solve for x
    x = 4,792,726,294.78/79,494.24
  6. Step 6: Final answer
    x = 60,290.23

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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.