Home / 80,122.78-110,566.09-43,823.64

Finding the Fourth Proportional to 80,122.78, 110,566.09 and 43,823.64

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Solution

The fourth proportional to 80,122.78, 110,566.09 and 43,823.64 is: 60,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,122.78 : 110,566.09 = 43,823.64 : x
  2. Step 2: Convert to fraction form
    80,122.78/110,566.09 = 43,823.64/x
  3. Step 3: Cross multiply
    80,122.78x = 110,566.09 × 43,823.64
  4. Step 4: Simplify right side
    80,122.78x = 4,845,408,524.37
  5. Step 5: Solve for x
    x = 4,845,408,524.37/80,122.78
  6. Step 6: Final answer
    x = 60,474.79

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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.