Home / 79,367.18-109,523.25-43,557.80

Finding the Fourth Proportional to 79,367.18, 109,523.25 and 43,557.80

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Solution

The fourth proportional to 79,367.18, 109,523.25 and 43,557.80 is: 60,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.18 : 109,523.25 = 43,557.80 : x
  2. Step 2: Convert to fraction form
    79,367.18/109,523.25 = 43,557.80/x
  3. Step 3: Cross multiply
    79,367.18x = 109,523.25 × 43,557.80
  4. Step 4: Simplify right side
    79,367.18x = 4,770,591,271.23
  5. Step 5: Solve for x
    x = 4,770,591,271.23/79,367.18
  6. Step 6: Final answer
    x = 60,107.86

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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.