Home / 321,072.33-481,570.16-84,433.44

Finding the Fourth Proportional to 321,072.33, 481,570.16 and 84,433.44

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Solution

The fourth proportional to 321,072.33, 481,570.16 and 84,433.44 is: 126,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,072.33 : 481,570.16 = 84,433.44 : x
  2. Step 2: Convert to fraction form
    321,072.33/481,570.16 = 84,433.44/x
  3. Step 3: Cross multiply
    321,072.33x = 481,570.16 × 84,433.44
  4. Step 4: Simplify right side
    321,072.33x = 40,660,624,787.98
  5. Step 5: Solve for x
    x = 40,660,624,787.98/321,072.33
  6. Step 6: Final answer
    x = 126,640.08

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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.