Home / 74,099.75-111,170.45-29,757.65

Finding the Fourth Proportional to 74,099.75, 111,170.45 and 29,757.65

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Solution

The fourth proportional to 74,099.75, 111,170.45 and 29,757.65 is: 44,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.75 : 111,170.45 = 29,757.65 : x
  2. Step 2: Convert to fraction form
    74,099.75/111,170.45 = 29,757.65/x
  3. Step 3: Cross multiply
    74,099.75x = 111,170.45 × 29,757.65
  4. Step 4: Simplify right side
    74,099.75x = 3,308,170,636.80
  5. Step 5: Solve for x
    x = 3,308,170,636.80/74,099.75
  6. Step 6: Final answer
    x = 44,644.83

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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.