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Finding the Fourth Proportional to 73,235.71, 109,886.39 and 33,771.67

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Solution

The fourth proportional to 73,235.71, 109,886.39 and 33,771.67 is: 50,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,235.71 : 109,886.39 = 33,771.67 : x
  2. Step 2: Convert to fraction form
    73,235.71/109,886.39 = 33,771.67/x
  3. Step 3: Cross multiply
    73,235.71x = 109,886.39 × 33,771.67
  4. Step 4: Simplify right side
    73,235.71x = 3,711,046,731.71
  5. Step 5: Solve for x
    x = 3,711,046,731.71/73,235.71
  6. Step 6: Final answer
    x = 50,672.64

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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.