Home / 111,588.38-167,309.82-40,497.61

Finding the Fourth Proportional to 111,588.38, 167,309.82 and 40,497.61

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Solution

The fourth proportional to 111,588.38, 167,309.82 and 40,497.61 is: 60,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,588.38 : 167,309.82 = 40,497.61 : x
  2. Step 2: Convert to fraction form
    111,588.38/167,309.82 = 40,497.61/x
  3. Step 3: Cross multiply
    111,588.38x = 167,309.82 × 40,497.61
  4. Step 4: Simplify right side
    111,588.38x = 6,775,647,839.53
  5. Step 5: Solve for x
    x = 6,775,647,839.53/111,588.38
  6. Step 6: Final answer
    x = 60,720.01

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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.