Home / 80,522.24-120,823.50-36,180.68

Finding the Fourth Proportional to 80,522.24, 120,823.50 and 36,180.68

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Solution

The fourth proportional to 80,522.24, 120,823.50 and 36,180.68 is: 54,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,522.24 : 120,823.50 = 36,180.68 : x
  2. Step 2: Convert to fraction form
    80,522.24/120,823.50 = 36,180.68/x
  3. Step 3: Cross multiply
    80,522.24x = 120,823.50 × 36,180.68
  4. Step 4: Simplify right side
    80,522.24x = 4,371,476,389.98
  5. Step 5: Solve for x
    x = 4,371,476,389.98/80,522.24
  6. Step 6: Final answer
    x = 54,289.06

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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.