Home / 88,004.20-132,006.04-76,122.64

Finding the Fourth Proportional to 88,004.20, 132,006.04 and 76,122.64

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Solution

The fourth proportional to 88,004.20, 132,006.04 and 76,122.64 is: 114,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,004.20 : 132,006.04 = 76,122.64 : x
  2. Step 2: Convert to fraction form
    88,004.20/132,006.04 = 76,122.64/x
  3. Step 3: Cross multiply
    88,004.20x = 132,006.04 × 76,122.64
  4. Step 4: Simplify right side
    88,004.20x = 10,048,647,930.73
  5. Step 5: Solve for x
    x = 10,048,647,930.73/88,004.20
  6. Step 6: Final answer
    x = 114,183.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.