Home / 80,969.75-121,425.46-34,226.27

Finding the Fourth Proportional to 80,969.75, 121,425.46 and 34,226.27

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Solution

The fourth proportional to 80,969.75, 121,425.46 and 34,226.27 is: 51,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,969.75 : 121,425.46 = 34,226.27 : x
  2. Step 2: Convert to fraction form
    80,969.75/121,425.46 = 34,226.27/x
  3. Step 3: Cross multiply
    80,969.75x = 121,425.46 × 34,226.27
  4. Step 4: Simplify right side
    80,969.75x = 4,155,940,578.83
  5. Step 5: Solve for x
    x = 4,155,940,578.83/80,969.75
  6. Step 6: Final answer
    x = 51,327.08

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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.