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Finding the Fourth Proportional to 80,401.71, 110,961.17 and 44,603.25

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Solution

The fourth proportional to 80,401.71, 110,961.17 and 44,603.25 is: 61,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,401.71 : 110,961.17 = 44,603.25 : x
  2. Step 2: Convert to fraction form
    80,401.71/110,961.17 = 44,603.25/x
  3. Step 3: Cross multiply
    80,401.71x = 110,961.17 × 44,603.25
  4. Step 4: Simplify right side
    80,401.71x = 4,949,228,750.05
  5. Step 5: Solve for x
    x = 4,949,228,750.05/80,401.71
  6. Step 6: Final answer
    x = 61,556.26

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1.5x scale

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.