Home / 89,620.21-134,452.14-27,290.71

Finding the Fourth Proportional to 89,620.21, 134,452.14 and 27,290.71

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Solution

The fourth proportional to 89,620.21, 134,452.14 and 27,290.71 is: 40,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,620.21 : 134,452.14 = 27,290.71 : x
  2. Step 2: Convert to fraction form
    89,620.21/134,452.14 = 27,290.71/x
  3. Step 3: Cross multiply
    89,620.21x = 134,452.14 × 27,290.71
  4. Step 4: Simplify right side
    89,620.21x = 3,669,294,361.62
  5. Step 5: Solve for x
    x = 3,669,294,361.62/89,620.21
  6. Step 6: Final answer
    x = 40,942.71

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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.