Home / 99,965.22-149,957.22-36,786.55

Finding the Fourth Proportional to 99,965.22, 149,957.22 and 36,786.55

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Solution

The fourth proportional to 99,965.22, 149,957.22 and 36,786.55 is: 55,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,965.22 : 149,957.22 = 36,786.55 : x
  2. Step 2: Convert to fraction form
    99,965.22/149,957.22 = 36,786.55/x
  3. Step 3: Cross multiply
    99,965.22x = 149,957.22 × 36,786.55
  4. Step 4: Simplify right side
    99,965.22x = 5,516,408,396.50
  5. Step 5: Solve for x
    x = 5,516,408,396.50/99,965.22
  6. Step 6: Final answer
    x = 55,183.28

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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.