Home / 111,821.85-167,749.34-36,949.91

Finding the Fourth Proportional to 111,821.85, 167,749.34 and 36,949.91

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Solution

The fourth proportional to 111,821.85, 167,749.34 and 36,949.91 is: 55,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,821.85 : 167,749.34 = 36,949.91 : x
  2. Step 2: Convert to fraction form
    111,821.85/167,749.34 = 36,949.91/x
  3. Step 3: Cross multiply
    111,821.85x = 167,749.34 × 36,949.91
  4. Step 4: Simplify right side
    111,821.85x = 6,198,321,992.06
  5. Step 5: Solve for x
    x = 6,198,321,992.06/111,821.85
  6. Step 6: Final answer
    x = 55,430.33

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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.