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Finding the Fourth Proportional to 73,265.33, 109,772.32 and 49,204.54

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Solution

The fourth proportional to 73,265.33, 109,772.32 and 49,204.54 is: 73,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,265.33 : 109,772.32 = 49,204.54 : x
  2. Step 2: Convert to fraction form
    73,265.33/109,772.32 = 49,204.54/x
  3. Step 3: Cross multiply
    73,265.33x = 109,772.32 × 49,204.54
  4. Step 4: Simplify right side
    73,265.33x = 5,401,295,961.47
  5. Step 5: Solve for x
    x = 5,401,295,961.47/73,265.33
  6. Step 6: Final answer
    x = 73,722.40

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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.