Home / 68,216.12-102,388.17-41,972.12

Finding the Fourth Proportional to 68,216.12, 102,388.17 and 41,972.12

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Solution

The fourth proportional to 68,216.12, 102,388.17 and 41,972.12 is: 62,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,216.12 : 102,388.17 = 41,972.12 : x
  2. Step 2: Convert to fraction form
    68,216.12/102,388.17 = 41,972.12/x
  3. Step 3: Cross multiply
    68,216.12x = 102,388.17 × 41,972.12
  4. Step 4: Simplify right side
    68,216.12x = 4,297,448,557.82
  5. Step 5: Solve for x
    x = 4,297,448,557.82/68,216.12
  6. Step 6: Final answer
    x = 62,997.55

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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.