Home / 111,631.24-167,450.10-49,306.60

Finding the Fourth Proportional to 111,631.24, 167,450.10 and 49,306.60

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Solution

The fourth proportional to 111,631.24, 167,450.10 and 49,306.60 is: 73,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,631.24 : 167,450.10 = 49,306.60 : x
  2. Step 2: Convert to fraction form
    111,631.24/167,450.10 = 49,306.60/x
  3. Step 3: Cross multiply
    111,631.24x = 167,450.10 × 49,306.60
  4. Step 4: Simplify right side
    111,631.24x = 8,256,395,100.66
  5. Step 5: Solve for x
    x = 8,256,395,100.66/111,631.24
  6. Step 6: Final answer
    x = 73,961.33

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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.