Home / 111,431.92-167,172.48-41,311.23

Finding the Fourth Proportional to 111,431.92, 167,172.48 and 41,311.23

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Solution

The fourth proportional to 111,431.92, 167,172.48 and 41,311.23 is: 61,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,431.92 : 167,172.48 = 41,311.23 : x
  2. Step 2: Convert to fraction form
    111,431.92/167,172.48 = 41,311.23/x
  3. Step 3: Cross multiply
    111,431.92x = 167,172.48 × 41,311.23
  4. Step 4: Simplify right side
    111,431.92x = 6,906,100,770.95
  5. Step 5: Solve for x
    x = 6,906,100,770.95/111,431.92
  6. Step 6: Final answer
    x = 61,975.97

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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.