Home / 80,403.46-110,884.17-50,191.57

Finding the Fourth Proportional to 80,403.46, 110,884.17 and 50,191.57

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Solution

The fourth proportional to 80,403.46, 110,884.17 and 50,191.57 is: 69,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,403.46 : 110,884.17 = 50,191.57 : x
  2. Step 2: Convert to fraction form
    80,403.46/110,884.17 = 50,191.57/x
  3. Step 3: Cross multiply
    80,403.46x = 110,884.17 × 50,191.57
  4. Step 4: Simplify right side
    80,403.46x = 5,565,450,795.64
  5. Step 5: Solve for x
    x = 5,565,450,795.64/80,403.46
  6. Step 6: Final answer
    x = 69,219.05

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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.