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Finding the Fourth Proportional to 80,896, 121,344.30 and 24,735.88

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Solution

The fourth proportional to 80,896, 121,344.30 and 24,735.88 is: 37,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896 : 121,344.30 = 24,735.88 : x
  2. Step 2: Convert to fraction form
    80,896/121,344.30 = 24,735.88/x
  3. Step 3: Cross multiply
    80,896x = 121,344.30 × 24,735.88
  4. Step 4: Simplify right side
    80,896x = 3,001,558,043.48
  5. Step 5: Solve for x
    x = 3,001,558,043.48/80,896
  6. Step 6: Final answer
    x = 37,103.91

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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.