Home / 79,576.88-109,813.23-43,764.75

Finding the Fourth Proportional to 79,576.88, 109,813.23 and 43,764.75

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Solution

The fourth proportional to 79,576.88, 109,813.23 and 43,764.75 is: 60,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,576.88 : 109,813.23 = 43,764.75 : x
  2. Step 2: Convert to fraction form
    79,576.88/109,813.23 = 43,764.75/x
  3. Step 3: Cross multiply
    79,576.88x = 109,813.23 × 43,764.75
  4. Step 4: Simplify right side
    79,576.88x = 4,805,948,557.64
  5. Step 5: Solve for x
    x = 4,805,948,557.64/79,576.88
  6. Step 6: Final answer
    x = 60,393.78

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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.