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Finding the Fourth Proportional to 80,793.36, 111,247.56 and 80,560.08

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Solution

The fourth proportional to 80,793.36, 111,247.56 and 80,560.08 is: 110,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,793.36 : 111,247.56 = 80,560.08 : x
  2. Step 2: Convert to fraction form
    80,793.36/111,247.56 = 80,560.08/x
  3. Step 3: Cross multiply
    80,793.36x = 111,247.56 × 80,560.08
  4. Step 4: Simplify right side
    80,793.36x = 8,962,112,333.40
  5. Step 5: Solve for x
    x = 8,962,112,333.40/80,793.36
  6. Step 6: Final answer
    x = 110,926.35

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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.