Home / 89,634.72-134,434.80-27,297.12

Finding the Fourth Proportional to 89,634.72, 134,434.80 and 27,297.12

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Solution

The fourth proportional to 89,634.72, 134,434.80 and 27,297.12 is: 40,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,634.72 : 134,434.80 = 27,297.12 : x
  2. Step 2: Convert to fraction form
    89,634.72/134,434.80 = 27,297.12/x
  3. Step 3: Cross multiply
    89,634.72x = 134,434.80 × 27,297.12
  4. Step 4: Simplify right side
    89,634.72x = 3,669,682,867.78
  5. Step 5: Solve for x
    x = 3,669,682,867.78/89,634.72
  6. Step 6: Final answer
    x = 40,940.42

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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.