Home / 74,469.24-111,744.90-32,915.16

Finding the Fourth Proportional to 74,469.24, 111,744.90 and 32,915.16

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Solution

The fourth proportional to 74,469.24, 111,744.90 and 32,915.16 is: 49,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469.24 : 111,744.90 = 32,915.16 : x
  2. Step 2: Convert to fraction form
    74,469.24/111,744.90 = 32,915.16/x
  3. Step 3: Cross multiply
    74,469.24x = 111,744.90 × 32,915.16
  4. Step 4: Simplify right side
    74,469.24x = 3,678,101,262.68
  5. Step 5: Solve for x
    x = 3,678,101,262.68/74,469.24
  6. Step 6: Final answer
    x = 49,390.88

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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.