Home / 68,520.33-102,781.04-24,136.92

Finding the Fourth Proportional to 68,520.33, 102,781.04 and 24,136.92

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Solution

The fourth proportional to 68,520.33, 102,781.04 and 24,136.92 is: 36,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,520.33 : 102,781.04 = 24,136.92 : x
  2. Step 2: Convert to fraction form
    68,520.33/102,781.04 = 24,136.92/x
  3. Step 3: Cross multiply
    68,520.33x = 102,781.04 × 24,136.92
  4. Step 4: Simplify right side
    68,520.33x = 2,480,817,619.31
  5. Step 5: Solve for x
    x = 2,480,817,619.31/68,520.33
  6. Step 6: Final answer
    x = 36,205.57

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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.