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Finding the Fourth Proportional to 80,398.83, 110,949.80 and 44,101.11

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Solution

The fourth proportional to 80,398.83, 110,949.80 and 44,101.11 is: 60,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,398.83 : 110,949.80 = 44,101.11 : x
  2. Step 2: Convert to fraction form
    80,398.83/110,949.80 = 44,101.11/x
  3. Step 3: Cross multiply
    80,398.83x = 110,949.80 × 44,101.11
  4. Step 4: Simplify right side
    80,398.83x = 4,893,009,113.77
  5. Step 5: Solve for x
    x = 4,893,009,113.77/80,398.83
  6. Step 6: Final answer
    x = 60,859.21

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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.