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Finding the Fourth Proportional to 61,144.48, 91,640.04 and 33,063.44

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Solution

The fourth proportional to 61,144.48, 91,640.04 and 33,063.44 is: 49,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,144.48 : 91,640.04 = 33,063.44 : x
  2. Step 2: Convert to fraction form
    61,144.48/91,640.04 = 33,063.44/x
  3. Step 3: Cross multiply
    61,144.48x = 91,640.04 × 33,063.44
  4. Step 4: Simplify right side
    61,144.48x = 3,029,934,964.14
  5. Step 5: Solve for x
    x = 3,029,934,964.14/61,144.48
  6. Step 6: Final answer
    x = 49,553.70

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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.