Home / 111,786.60-167,622.30-41,629.80

Finding the Fourth Proportional to 111,786.60, 167,622.30 and 41,629.80

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Solution

The fourth proportional to 111,786.60, 167,622.30 and 41,629.80 is: 62,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,786.60 : 167,622.30 = 41,629.80 : x
  2. Step 2: Convert to fraction form
    111,786.60/167,622.30 = 41,629.80/x
  3. Step 3: Cross multiply
    111,786.60x = 167,622.30 × 41,629.80
  4. Step 4: Simplify right side
    111,786.60x = 6,978,082,824.54
  5. Step 5: Solve for x
    x = 6,978,082,824.54/111,786.60
  6. Step 6: Final answer
    x = 62,423.25

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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.