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Finding the Fourth Proportional to 96,394.95, 132,844.73 and 69,491.61

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Solution

The fourth proportional to 96,394.95, 132,844.73 and 69,491.61 is: 95,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,394.95 : 132,844.73 = 69,491.61 : x
  2. Step 2: Convert to fraction form
    96,394.95/132,844.73 = 69,491.61/x
  3. Step 3: Cross multiply
    96,394.95x = 132,844.73 × 69,491.61
  4. Step 4: Simplify right side
    96,394.95x = 9,231,593,820.26
  5. Step 5: Solve for x
    x = 9,231,593,820.26/96,394.95
  6. Step 6: Final answer
    x = 95,768.44

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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.