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Finding the Fourth Proportional to 64,367.38, 88,832.45 and 36,078.53

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Solution

The fourth proportional to 64,367.38, 88,832.45 and 36,078.53 is: 49,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,367.38 : 88,832.45 = 36,078.53 : x
  2. Step 2: Convert to fraction form
    64,367.38/88,832.45 = 36,078.53/x
  3. Step 3: Cross multiply
    64,367.38x = 88,832.45 × 36,078.53
  4. Step 4: Simplify right side
    64,367.38x = 3,204,944,031.91
  5. Step 5: Solve for x
    x = 3,204,944,031.91/64,367.38
  6. Step 6: Final answer
    x = 49,791.44

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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.