Home / 49,662.53-74,540.61-18,103.10

Finding the Fourth Proportional to 49,662.53, 74,540.61 and 18,103.10

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Solution

The fourth proportional to 49,662.53, 74,540.61 and 18,103.10 is: 27,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,662.53 : 74,540.61 = 18,103.10 : x
  2. Step 2: Convert to fraction form
    49,662.53/74,540.61 = 18,103.10/x
  3. Step 3: Cross multiply
    49,662.53x = 74,540.61 × 18,103.10
  4. Step 4: Simplify right side
    49,662.53x = 1,349,415,744.19
  5. Step 5: Solve for x
    x = 1,349,415,744.19/49,662.53
  6. Step 6: Final answer
    x = 27,171.71

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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.