Home / 111,996.09-167,935.82-52,815.87

Finding the Fourth Proportional to 111,996.09, 167,935.82 and 52,815.87

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Solution

The fourth proportional to 111,996.09, 167,935.82 and 52,815.87 is: 79,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,996.09 : 167,935.82 = 52,815.87 : x
  2. Step 2: Convert to fraction form
    111,996.09/167,935.82 = 52,815.87/x
  3. Step 3: Cross multiply
    111,996.09x = 167,935.82 × 52,815.87
  4. Step 4: Simplify right side
    111,996.09x = 8,869,676,173.38
  5. Step 5: Solve for x
    x = 8,869,676,173.38/111,996.09
  6. Step 6: Final answer
    x = 79,196.30

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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.