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Finding the Fourth Proportional to 80,065.28, 110,474.88 and 50,243.84

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Solution

The fourth proportional to 80,065.28, 110,474.88 and 50,243.84 is: 69,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,065.28 : 110,474.88 = 50,243.84 : x
  2. Step 2: Convert to fraction form
    80,065.28/110,474.88 = 50,243.84/x
  3. Step 3: Cross multiply
    80,065.28x = 110,474.88 × 50,243.84
  4. Step 4: Simplify right side
    80,065.28x = 5,550,682,194.74
  5. Step 5: Solve for x
    x = 5,550,682,194.74/80,065.28
  6. Step 6: Final answer
    x = 69,326.96

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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.