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Finding the Fourth Proportional to 64,789.47, 97,197.39 and 27,349.56

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Solution

The fourth proportional to 64,789.47, 97,197.39 and 27,349.56 is: 41,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,789.47 : 97,197.39 = 27,349.56 : x
  2. Step 2: Convert to fraction form
    64,789.47/97,197.39 = 27,349.56/x
  3. Step 3: Cross multiply
    64,789.47x = 97,197.39 × 27,349.56
  4. Step 4: Simplify right side
    64,789.47x = 2,658,305,849.65
  5. Step 5: Solve for x
    x = 2,658,305,849.65/64,789.47
  6. Step 6: Final answer
    x = 41,029.91

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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.