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Finding the Fourth Proportional to 68,222.52, 102,183.12 and 44,564.04

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Solution

The fourth proportional to 68,222.52, 102,183.12 and 44,564.04 is: 66,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,222.52 : 102,183.12 = 44,564.04 : x
  2. Step 2: Convert to fraction form
    68,222.52/102,183.12 = 44,564.04/x
  3. Step 3: Cross multiply
    68,222.52x = 102,183.12 × 44,564.04
  4. Step 4: Simplify right side
    68,222.52x = 4,553,692,647.00
  5. Step 5: Solve for x
    x = 4,553,692,647.00/68,222.52
  6. Step 6: Final answer
    x = 66,747.65

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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.