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Finding the Fourth Proportional to 80,406.83, 110,888.82 and 50,194.96

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Solution

The fourth proportional to 80,406.83, 110,888.82 and 50,194.96 is: 69,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406.83 : 110,888.82 = 50,194.96 : x
  2. Step 2: Convert to fraction form
    80,406.83/110,888.82 = 50,194.96/x
  3. Step 3: Cross multiply
    80,406.83x = 110,888.82 × 50,194.96
  4. Step 4: Simplify right side
    80,406.83x = 5,566,059,607.13
  5. Step 5: Solve for x
    x = 5,566,059,607.13/80,406.83
  6. Step 6: Final answer
    x = 69,223.71

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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.