Home / 111,411.45-167,119.61-27,172.19

Finding the Fourth Proportional to 111,411.45, 167,119.61 and 27,172.19

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Solution

The fourth proportional to 111,411.45, 167,119.61 and 27,172.19 is: 40,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,411.45 : 167,119.61 = 27,172.19 : x
  2. Step 2: Convert to fraction form
    111,411.45/167,119.61 = 27,172.19/x
  3. Step 3: Cross multiply
    111,411.45x = 167,119.61 × 27,172.19
  4. Step 4: Simplify right side
    111,411.45x = 4,541,006,077.58
  5. Step 5: Solve for x
    x = 4,541,006,077.58/111,411.45
  6. Step 6: Final answer
    x = 40,758.88

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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.