Home / 80,227.18-110,709.75-48,388.78

Finding the Fourth Proportional to 80,227.18, 110,709.75 and 48,388.78

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Solution

The fourth proportional to 80,227.18, 110,709.75 and 48,388.78 is: 66,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,227.18 : 110,709.75 = 48,388.78 : x
  2. Step 2: Convert to fraction form
    80,227.18/110,709.75 = 48,388.78/x
  3. Step 3: Cross multiply
    80,227.18x = 110,709.75 × 48,388.78
  4. Step 4: Simplify right side
    80,227.18x = 5,357,109,736.61
  5. Step 5: Solve for x
    x = 5,357,109,736.61/80,227.18
  6. Step 6: Final answer
    x = 66,774.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.