Home / 89,244.78-123,241.14-57,469.56

Finding the Fourth Proportional to 89,244.78, 123,241.14 and 57,469.56

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Solution

The fourth proportional to 89,244.78, 123,241.14 and 57,469.56 is: 79,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.78 : 123,241.14 = 57,469.56 : x
  2. Step 2: Convert to fraction form
    89,244.78/123,241.14 = 57,469.56/x
  3. Step 3: Cross multiply
    89,244.78x = 123,241.14 × 57,469.56
  4. Step 4: Simplify right side
    89,244.78x = 7,082,614,089.70
  5. Step 5: Solve for x
    x = 7,082,614,089.70/89,244.78
  6. Step 6: Final answer
    x = 79,361.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.