Home / 81,327.39-122,013.74-33,964.83

Finding the Fourth Proportional to 81,327.39, 122,013.74 and 33,964.83

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Solution

The fourth proportional to 81,327.39, 122,013.74 and 33,964.83 is: 50,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,327.39 : 122,013.74 = 33,964.83 : x
  2. Step 2: Convert to fraction form
    81,327.39/122,013.74 = 33,964.83/x
  3. Step 3: Cross multiply
    81,327.39x = 122,013.74 × 33,964.83
  4. Step 4: Simplify right side
    81,327.39x = 4,144,175,766.94
  5. Step 5: Solve for x
    x = 4,144,175,766.94/81,327.39
  6. Step 6: Final answer
    x = 50,956.70

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1.5x scale

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.