Home / 80,611.68-111,237.91-44,799.55

Finding the Fourth Proportional to 80,611.68, 111,237.91 and 44,799.55

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Solution

The fourth proportional to 80,611.68, 111,237.91 and 44,799.55 is: 61,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,611.68 : 111,237.91 = 44,799.55 : x
  2. Step 2: Convert to fraction form
    80,611.68/111,237.91 = 44,799.55/x
  3. Step 3: Cross multiply
    80,611.68x = 111,237.91 × 44,799.55
  4. Step 4: Simplify right side
    80,611.68x = 4,983,408,310.94
  5. Step 5: Solve for x
    x = 4,983,408,310.94/80,611.68
  6. Step 6: Final answer
    x = 61,819.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.