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Finding the Fourth Proportional to 80,327.88, 110,904.12 and 51,659.88

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Solution

The fourth proportional to 80,327.88, 110,904.12 and 51,659.88 is: 71,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,327.88 : 110,904.12 = 51,659.88 : x
  2. Step 2: Convert to fraction form
    80,327.88/110,904.12 = 51,659.88/x
  3. Step 3: Cross multiply
    80,327.88x = 110,904.12 × 51,659.88
  4. Step 4: Simplify right side
    80,327.88x = 5,729,293,530.71
  5. Step 5: Solve for x
    x = 5,729,293,530.71/80,327.88
  6. Step 6: Final answer
    x = 71,323.85

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1.5x scale

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.