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Finding the Fourth Proportional to 64,383.78, 96,463.02 and 44,674.86

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Solution

The fourth proportional to 64,383.78, 96,463.02 and 44,674.86 is: 66,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.78 : 96,463.02 = 44,674.86 : x
  2. Step 2: Convert to fraction form
    64,383.78/96,463.02 = 44,674.86/x
  3. Step 3: Cross multiply
    64,383.78x = 96,463.02 × 44,674.86
  4. Step 4: Simplify right side
    64,383.78x = 4,309,471,913.68
  5. Step 5: Solve for x
    x = 4,309,471,913.68/64,383.78
  6. Step 6: Final answer
    x = 66,934.12

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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.