Home / 66,792.20-100,172.04-22,407.44

Finding the Fourth Proportional to 66,792.20, 100,172.04 and 22,407.44

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Solution

The fourth proportional to 66,792.20, 100,172.04 and 22,407.44 is: 33,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,792.20 : 100,172.04 = 22,407.44 : x
  2. Step 2: Convert to fraction form
    66,792.20/100,172.04 = 22,407.44/x
  3. Step 3: Cross multiply
    66,792.20x = 100,172.04 × 22,407.44
  4. Step 4: Simplify right side
    66,792.20x = 2,244,598,975.98
  5. Step 5: Solve for x
    x = 2,244,598,975.98/66,792.20
  6. Step 6: Final answer
    x = 33,605.71

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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.