Home / 80,592.44-120,857.06-47,320.88

Finding the Fourth Proportional to 80,592.44, 120,857.06 and 47,320.88

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Solution

The fourth proportional to 80,592.44, 120,857.06 and 47,320.88 is: 70,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.44 : 120,857.06 = 47,320.88 : x
  2. Step 2: Convert to fraction form
    80,592.44/120,857.06 = 47,320.88/x
  3. Step 3: Cross multiply
    80,592.44x = 120,857.06 × 47,320.88
  4. Step 4: Simplify right side
    80,592.44x = 5,719,061,947.43
  5. Step 5: Solve for x
    x = 5,719,061,947.43/80,592.44
  6. Step 6: Final answer
    x = 70,962.76

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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.