Home / 67,233.15-100,817.70-39,161.04

Finding the Fourth Proportional to 67,233.15, 100,817.70 and 39,161.04

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Solution

The fourth proportional to 67,233.15, 100,817.70 and 39,161.04 is: 58,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,233.15 : 100,817.70 = 39,161.04 : x
  2. Step 2: Convert to fraction form
    67,233.15/100,817.70 = 39,161.04/x
  3. Step 3: Cross multiply
    67,233.15x = 100,817.70 × 39,161.04
  4. Step 4: Simplify right side
    67,233.15x = 3,948,125,982.41
  5. Step 5: Solve for x
    x = 3,948,125,982.41/67,233.15
  6. Step 6: Final answer
    x = 58,722.91

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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.