Home / 67,278.56-100,964.76-27,836

Finding the Fourth Proportional to 67,278.56, 100,964.76 and 27,836

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Solution

The fourth proportional to 67,278.56, 100,964.76 and 27,836 is: 41,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,278.56 : 100,964.76 = 27,836 : x
  2. Step 2: Convert to fraction form
    67,278.56/100,964.76 = 27,836/x
  3. Step 3: Cross multiply
    67,278.56x = 100,964.76 × 27,836
  4. Step 4: Simplify right side
    67,278.56x = 2,810,455,059.36
  5. Step 5: Solve for x
    x = 2,810,455,059.36/67,278.56
  6. Step 6: Final answer
    x = 41,773.41

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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.