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Finding the Fourth Proportional to 73,392.96, 110,072.88 and 33,928.50

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Solution

The fourth proportional to 73,392.96, 110,072.88 and 33,928.50 is: 50,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,392.96 : 110,072.88 = 33,928.50 : x
  2. Step 2: Convert to fraction form
    73,392.96/110,072.88 = 33,928.50/x
  3. Step 3: Cross multiply
    73,392.96x = 110,072.88 × 33,928.50
  4. Step 4: Simplify right side
    73,392.96x = 3,734,607,709.08
  5. Step 5: Solve for x
    x = 3,734,607,709.08/73,392.96
  6. Step 6: Final answer
    x = 50,885.09

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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.