Home / 80,546.40-120,800.16-33,786.72

Finding the Fourth Proportional to 80,546.40, 120,800.16 and 33,786.72

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Solution

The fourth proportional to 80,546.40, 120,800.16 and 33,786.72 is: 50,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,546.40 : 120,800.16 = 33,786.72 : x
  2. Step 2: Convert to fraction form
    80,546.40/120,800.16 = 33,786.72/x
  3. Step 3: Cross multiply
    80,546.40x = 120,800.16 × 33,786.72
  4. Step 4: Simplify right side
    80,546.40x = 4,081,441,181.88
  5. Step 5: Solve for x
    x = 4,081,441,181.88/80,546.40
  6. Step 6: Final answer
    x = 50,671.93

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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.