Home / 68,081.31-102,217.65-34,825.24

Finding the Fourth Proportional to 68,081.31, 102,217.65 and 34,825.24

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Solution

The fourth proportional to 68,081.31, 102,217.65 and 34,825.24 is: 52,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,081.31 : 102,217.65 = 34,825.24 : x
  2. Step 2: Convert to fraction form
    68,081.31/102,217.65 = 34,825.24/x
  3. Step 3: Cross multiply
    68,081.31x = 102,217.65 × 34,825.24
  4. Step 4: Simplify right side
    68,081.31x = 3,559,754,190.66
  5. Step 5: Solve for x
    x = 3,559,754,190.66/68,081.31
  6. Step 6: Final answer
    x = 52,286.81

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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.