Home / 99,910.43-149,922.30-36,722.33

Finding the Fourth Proportional to 99,910.43, 149,922.30 and 36,722.33

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Solution

The fourth proportional to 99,910.43, 149,922.30 and 36,722.33 is: 55,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910.43 : 149,922.30 = 36,722.33 : x
  2. Step 2: Convert to fraction form
    99,910.43/149,922.30 = 36,722.33/x
  3. Step 3: Cross multiply
    99,910.43x = 149,922.30 × 36,722.33
  4. Step 4: Simplify right side
    99,910.43x = 5,505,496,174.96
  5. Step 5: Solve for x
    x = 5,505,496,174.96/99,910.43
  6. Step 6: Final answer
    x = 55,104.32

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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.