Home / 68,202.12-102,191.94-41,851.20

Finding the Fourth Proportional to 68,202.12, 102,191.94 and 41,851.20

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Solution

The fourth proportional to 68,202.12, 102,191.94 and 41,851.20 is: 62,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,202.12 : 102,191.94 = 41,851.20 : x
  2. Step 2: Convert to fraction form
    68,202.12/102,191.94 = 41,851.20/x
  3. Step 3: Cross multiply
    68,202.12x = 102,191.94 × 41,851.20
  4. Step 4: Simplify right side
    68,202.12x = 4,276,855,319.33
  5. Step 5: Solve for x
    x = 4,276,855,319.33/68,202.12
  6. Step 6: Final answer
    x = 62,708.54

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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.