Home / 80,425.54-110,950.86-50,218.35

Finding the Fourth Proportional to 80,425.54, 110,950.86 and 50,218.35

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Solution

The fourth proportional to 80,425.54, 110,950.86 and 50,218.35 is: 69,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,425.54 : 110,950.86 = 50,218.35 : x
  2. Step 2: Convert to fraction form
    80,425.54/110,950.86 = 50,218.35/x
  3. Step 3: Cross multiply
    80,425.54x = 110,950.86 × 50,218.35
  4. Step 4: Simplify right side
    80,425.54x = 5,571,769,120.28
  5. Step 5: Solve for x
    x = 5,571,769,120.28/80,425.54
  6. Step 6: Final answer
    x = 69,278.60

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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.