Home / 49,453.53-74,174.82-13,915.98

Finding the Fourth Proportional to 49,453.53, 74,174.82 and 13,915.98

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Solution

The fourth proportional to 49,453.53, 74,174.82 and 13,915.98 is: 20,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,453.53 : 74,174.82 = 13,915.98 : x
  2. Step 2: Convert to fraction form
    49,453.53/74,174.82 = 13,915.98/x
  3. Step 3: Cross multiply
    49,453.53x = 74,174.82 × 13,915.98
  4. Step 4: Simplify right side
    49,453.53x = 1,032,215,311.62
  5. Step 5: Solve for x
    x = 1,032,215,311.62/49,453.53
  6. Step 6: Final answer
    x = 20,872.43

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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.