Home / 80,521.26-120,786.09-24,359.95

Finding the Fourth Proportional to 80,521.26, 120,786.09 and 24,359.95

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Solution

The fourth proportional to 80,521.26, 120,786.09 and 24,359.95 is: 36,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,521.26 : 120,786.09 = 24,359.95 : x
  2. Step 2: Convert to fraction form
    80,521.26/120,786.09 = 24,359.95/x
  3. Step 3: Cross multiply
    80,521.26x = 120,786.09 × 24,359.95
  4. Step 4: Simplify right side
    80,521.26x = 2,942,343,113.10
  5. Step 5: Solve for x
    x = 2,942,343,113.10/80,521.26
  6. Step 6: Final answer
    x = 36,541.20

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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.