Home / 111,371.36-167,055.32-27,131.43

Finding the Fourth Proportional to 111,371.36, 167,055.32 and 27,131.43

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Solution

The fourth proportional to 111,371.36, 167,055.32 and 27,131.43 is: 40,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,371.36 : 167,055.32 = 27,131.43 : x
  2. Step 2: Convert to fraction form
    111,371.36/167,055.32 = 27,131.43/x
  3. Step 3: Cross multiply
    111,371.36x = 167,055.32 × 27,131.43
  4. Step 4: Simplify right side
    111,371.36x = 4,532,449,788.54
  5. Step 5: Solve for x
    x = 4,532,449,788.54/111,371.36
  6. Step 6: Final answer
    x = 40,696.73

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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.