Home / 80,428.41-110,993.49-44,131.50

Finding the Fourth Proportional to 80,428.41, 110,993.49 and 44,131.50

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Solution

The fourth proportional to 80,428.41, 110,993.49 and 44,131.50 is: 60,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,428.41 : 110,993.49 = 44,131.50 : x
  2. Step 2: Convert to fraction form
    80,428.41/110,993.49 = 44,131.50/x
  3. Step 3: Cross multiply
    80,428.41x = 110,993.49 × 44,131.50
  4. Step 4: Simplify right side
    80,428.41x = 4,898,309,203.94
  5. Step 5: Solve for x
    x = 4,898,309,203.94/80,428.41
  6. Step 6: Final answer
    x = 60,902.72

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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.