Home / 111,740.62-167,716.27-40,731.89

Finding the Fourth Proportional to 111,740.62, 167,716.27 and 40,731.89

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Solution

The fourth proportional to 111,740.62, 167,716.27 and 40,731.89 is: 61,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,740.62 : 167,716.27 = 40,731.89 : x
  2. Step 2: Convert to fraction form
    111,740.62/167,716.27 = 40,731.89/x
  3. Step 3: Cross multiply
    111,740.62x = 167,716.27 × 40,731.89
  4. Step 4: Simplify right side
    111,740.62x = 6,831,401,173.73
  5. Step 5: Solve for x
    x = 6,831,401,173.73/111,740.62
  6. Step 6: Final answer
    x = 61,136.24

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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.