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Finding the Fourth Proportional to 64,371.79, 96,584.36 and 34,754.82

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Solution

The fourth proportional to 64,371.79, 96,584.36 and 34,754.82 is: 52,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,371.79 : 96,584.36 = 34,754.82 : x
  2. Step 2: Convert to fraction form
    64,371.79/96,584.36 = 34,754.82/x
  3. Step 3: Cross multiply
    64,371.79x = 96,584.36 × 34,754.82
  4. Step 4: Simplify right side
    64,371.79x = 3,356,771,389.92
  5. Step 5: Solve for x
    x = 3,356,771,389.92/64,371.79
  6. Step 6: Final answer
    x = 52,146.62

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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.