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Finding the Fourth Proportional to 80,340, 110,823.03 and 50,110.80

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Solution

The fourth proportional to 80,340, 110,823.03 and 50,110.80 is: 69,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,340 : 110,823.03 = 50,110.80 : x
  2. Step 2: Convert to fraction form
    80,340/110,823.03 = 50,110.80/x
  3. Step 3: Cross multiply
    80,340x = 110,823.03 × 50,110.80
  4. Step 4: Simplify right side
    80,340x = 5,553,430,691.72
  5. Step 5: Solve for x
    x = 5,553,430,691.72/80,340
  6. Step 6: Final answer
    x = 69,124.11

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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.