Home / 79,481.12-119,240.15-23,318.96

Finding the Fourth Proportional to 79,481.12, 119,240.15 and 23,318.96

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Solution

The fourth proportional to 79,481.12, 119,240.15 and 23,318.96 is: 34,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,481.12 : 119,240.15 = 23,318.96 : x
  2. Step 2: Convert to fraction form
    79,481.12/119,240.15 = 23,318.96/x
  3. Step 3: Cross multiply
    79,481.12x = 119,240.15 × 23,318.96
  4. Step 4: Simplify right side
    79,481.12x = 2,780,556,557.20
  5. Step 5: Solve for x
    x = 2,780,556,557.20/79,481.12
  6. Step 6: Final answer
    x = 34,983.86

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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.