Home / 80,595.28-120,769.76-33,822.64

Finding the Fourth Proportional to 80,595.28, 120,769.76 and 33,822.64

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Solution

The fourth proportional to 80,595.28, 120,769.76 and 33,822.64 is: 50,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,595.28 : 120,769.76 = 33,822.64 : x
  2. Step 2: Convert to fraction form
    80,595.28/120,769.76 = 33,822.64/x
  3. Step 3: Cross multiply
    80,595.28x = 120,769.76 × 33,822.64
  4. Step 4: Simplify right side
    80,595.28x = 4,084,752,115.37
  5. Step 5: Solve for x
    x = 4,084,752,115.37/80,595.28
  6. Step 6: Final answer
    x = 50,682.27

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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.