Home / 51,787.76-77,616.44-22,170.56

Finding the Fourth Proportional to 51,787.76, 77,616.44 and 22,170.56

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Solution

The fourth proportional to 51,787.76, 77,616.44 and 22,170.56 is: 33,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,787.76 : 77,616.44 = 22,170.56 : x
  2. Step 2: Convert to fraction form
    51,787.76/77,616.44 = 22,170.56/x
  3. Step 3: Cross multiply
    51,787.76x = 77,616.44 × 22,170.56
  4. Step 4: Simplify right side
    51,787.76x = 1,720,799,940.01
  5. Step 5: Solve for x
    x = 1,720,799,940.01/51,787.76
  6. Step 6: Final answer
    x = 33,227.93

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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.