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Finding the Fourth Proportional to 63,197.92, 87,212.59 and 34,903

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Solution

The fourth proportional to 63,197.92, 87,212.59 and 34,903 is: 48,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,197.92 : 87,212.59 = 34,903 : x
  2. Step 2: Convert to fraction form
    63,197.92/87,212.59 = 34,903/x
  3. Step 3: Cross multiply
    63,197.92x = 87,212.59 × 34,903
  4. Step 4: Simplify right side
    63,197.92x = 3,043,981,028.77
  5. Step 5: Solve for x
    x = 3,043,981,028.77/63,197.92
  6. Step 6: Final answer
    x = 48,165.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.