Home / 43,721.53-65,540.68-27,882.09

Finding the Fourth Proportional to 43,721.53, 65,540.68 and 27,882.09

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Solution

The fourth proportional to 43,721.53, 65,540.68 and 27,882.09 is: 41,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721.53 : 65,540.68 = 27,882.09 : x
  2. Step 2: Convert to fraction form
    43,721.53/65,540.68 = 27,882.09/x
  3. Step 3: Cross multiply
    43,721.53x = 65,540.68 × 27,882.09
  4. Step 4: Simplify right side
    43,721.53x = 1,827,411,068.72
  5. Step 5: Solve for x
    x = 1,827,411,068.72/43,721.53
  6. Step 6: Final answer
    x = 41,796.60

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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.