Home / 85,072.62-127,599.20-22,747.98

Finding the Fourth Proportional to 85,072.62, 127,599.20 and 22,747.98

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Solution

The fourth proportional to 85,072.62, 127,599.20 and 22,747.98 is: 34,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.62 : 127,599.20 = 22,747.98 : x
  2. Step 2: Convert to fraction form
    85,072.62/127,599.20 = 22,747.98/x
  3. Step 3: Cross multiply
    85,072.62x = 127,599.20 × 22,747.98
  4. Step 4: Simplify right side
    85,072.62x = 2,902,624,049.62
  5. Step 5: Solve for x
    x = 2,902,624,049.62/85,072.62
  6. Step 6: Final answer
    x = 34,119.37

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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.