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Finding the Fourth Proportional to 64,339, 96,560.34 and 33,183.16

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Solution

The fourth proportional to 64,339, 96,560.34 and 33,183.16 is: 49,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339 : 96,560.34 = 33,183.16 : x
  2. Step 2: Convert to fraction form
    64,339/96,560.34 = 33,183.16/x
  3. Step 3: Cross multiply
    64,339x = 96,560.34 × 33,183.16
  4. Step 4: Simplify right side
    64,339x = 3,204,177,211.87
  5. Step 5: Solve for x
    x = 3,204,177,211.87/64,339
  6. Step 6: Final answer
    x = 49,801.48

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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.