Home / 80,450.34-120,669.44-33,052.52

Finding the Fourth Proportional to 80,450.34, 120,669.44 and 33,052.52

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Solution

The fourth proportional to 80,450.34, 120,669.44 and 33,052.52 is: 49,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,450.34 : 120,669.44 = 33,052.52 : x
  2. Step 2: Convert to fraction form
    80,450.34/120,669.44 = 33,052.52/x
  3. Step 3: Cross multiply
    80,450.34x = 120,669.44 × 33,052.52
  4. Step 4: Simplify right side
    80,450.34x = 3,988,428,310.38
  5. Step 5: Solve for x
    x = 3,988,428,310.38/80,450.34
  6. Step 6: Final answer
    x = 49,576.28

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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.