Home / 68,469.38-102,717.03-31,533.38

Finding the Fourth Proportional to 68,469.38, 102,717.03 and 31,533.38

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Solution

The fourth proportional to 68,469.38, 102,717.03 and 31,533.38 is: 47,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,469.38 : 102,717.03 = 31,533.38 : x
  2. Step 2: Convert to fraction form
    68,469.38/102,717.03 = 31,533.38/x
  3. Step 3: Cross multiply
    68,469.38x = 102,717.03 × 31,533.38
  4. Step 4: Simplify right side
    68,469.38x = 3,239,014,625.88
  5. Step 5: Solve for x
    x = 3,239,014,625.88/68,469.38
  6. Step 6: Final answer
    x = 47,306.03

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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.