Home / 80,411.66-110,895.44-50,199.78

Finding the Fourth Proportional to 80,411.66, 110,895.44 and 50,199.78

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Solution

The fourth proportional to 80,411.66, 110,895.44 and 50,199.78 is: 69,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411.66 : 110,895.44 = 50,199.78 : x
  2. Step 2: Convert to fraction form
    80,411.66/110,895.44 = 50,199.78/x
  3. Step 3: Cross multiply
    80,411.66x = 110,895.44 × 50,199.78
  4. Step 4: Simplify right side
    80,411.66x = 5,566,926,691.00
  5. Step 5: Solve for x
    x = 5,566,926,691.00/80,411.66
  6. Step 6: Final answer
    x = 69,230.34

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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.