Home / 80,383.20-110,929.44-44,571.12

Finding the Fourth Proportional to 80,383.20, 110,929.44 and 44,571.12

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Solution

The fourth proportional to 80,383.20, 110,929.44 and 44,571.12 is: 61,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,383.20 : 110,929.44 = 44,571.12 : x
  2. Step 2: Convert to fraction form
    80,383.20/110,929.44 = 44,571.12/x
  3. Step 3: Cross multiply
    80,383.20x = 110,929.44 × 44,571.12
  4. Step 4: Simplify right side
    80,383.20x = 4,944,249,381.77
  5. Step 5: Solve for x
    x = 4,944,249,381.77/80,383.20
  6. Step 6: Final answer
    x = 61,508.49

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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.