Home / 80,538.72-120,760.38-24,361.80

Finding the Fourth Proportional to 80,538.72, 120,760.38 and 24,361.80

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Solution

The fourth proportional to 80,538.72, 120,760.38 and 24,361.80 is: 36,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538.72 : 120,760.38 = 24,361.80 : x
  2. Step 2: Convert to fraction form
    80,538.72/120,760.38 = 24,361.80/x
  3. Step 3: Cross multiply
    80,538.72x = 120,760.38 × 24,361.80
  4. Step 4: Simplify right side
    80,538.72x = 2,941,940,225.48
  5. Step 5: Solve for x
    x = 2,941,940,225.48/80,538.72
  6. Step 6: Final answer
    x = 36,528.27

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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.