Home / 80,262.72-120,405.36-33,504.96

Finding the Fourth Proportional to 80,262.72, 120,405.36 and 33,504.96

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Solution

The fourth proportional to 80,262.72, 120,405.36 and 33,504.96 is: 50,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,262.72 : 120,405.36 = 33,504.96 : x
  2. Step 2: Convert to fraction form
    80,262.72/120,405.36 = 33,504.96/x
  3. Step 3: Cross multiply
    80,262.72x = 120,405.36 × 33,504.96
  4. Step 4: Simplify right side
    80,262.72x = 4,034,176,770.59
  5. Step 5: Solve for x
    x = 4,034,176,770.59/80,262.72
  6. Step 6: Final answer
    x = 50,262.15

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1.5x scale

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.