Home / 80,759.42-121,163.94-41,344.20

Finding the Fourth Proportional to 80,759.42, 121,163.94 and 41,344.20

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Solution

The fourth proportional to 80,759.42, 121,163.94 and 41,344.20 is: 62,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,759.42 : 121,163.94 = 41,344.20 : x
  2. Step 2: Convert to fraction form
    80,759.42/121,163.94 = 41,344.20/x
  3. Step 3: Cross multiply
    80,759.42x = 121,163.94 × 41,344.20
  4. Step 4: Simplify right side
    80,759.42x = 5,009,426,168.15
  5. Step 5: Solve for x
    x = 5,009,426,168.15/80,759.42
  6. Step 6: Final answer
    x = 62,029.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.