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Finding the Fourth Proportional to 73,104.53, 109,640.39 and 33,623.71

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Solution

The fourth proportional to 73,104.53, 109,640.39 and 33,623.71 is: 50,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,104.53 : 109,640.39 = 33,623.71 : x
  2. Step 2: Convert to fraction form
    73,104.53/109,640.39 = 33,623.71/x
  3. Step 3: Cross multiply
    73,104.53x = 109,640.39 × 33,623.71
  4. Step 4: Simplify right side
    73,104.53x = 3,686,516,235.43
  5. Step 5: Solve for x
    x = 3,686,516,235.43/73,104.53
  6. Step 6: Final answer
    x = 50,428.02

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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.