Home / 111,741.62-167,717.77-40,732.89

Finding the Fourth Proportional to 111,741.62, 167,717.77 and 40,732.89

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Solution

The fourth proportional to 111,741.62, 167,717.77 and 40,732.89 is: 61,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741.62 : 167,717.77 = 40,732.89 : x
  2. Step 2: Convert to fraction form
    111,741.62/167,717.77 = 40,732.89/x
  3. Step 3: Cross multiply
    111,741.62x = 167,717.77 × 40,732.89
  4. Step 4: Simplify right side
    111,741.62x = 6,831,629,476.46
  5. Step 5: Solve for x
    x = 6,831,629,476.46/111,741.62
  6. Step 6: Final answer
    x = 61,137.73

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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.