Home / 80,532.08-120,706.97-41,005.70

Finding the Fourth Proportional to 80,532.08, 120,706.97 and 41,005.70

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Solution

The fourth proportional to 80,532.08, 120,706.97 and 41,005.70 is: 61,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.08 : 120,706.97 = 41,005.70 : x
  2. Step 2: Convert to fraction form
    80,532.08/120,706.97 = 41,005.70/x
  3. Step 3: Cross multiply
    80,532.08x = 120,706.97 × 41,005.70
  4. Step 4: Simplify right side
    80,532.08x = 4,949,673,799.73
  5. Step 5: Solve for x
    x = 4,949,673,799.73/80,532.08
  6. Step 6: Final answer
    x = 61,462.14

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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.