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Finding the Fourth Proportional to 79,394.54, 118,936.10 and 46,044.56

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Solution

The fourth proportional to 79,394.54, 118,936.10 and 46,044.56 is: 68,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,394.54 : 118,936.10 = 46,044.56 : x
  2. Step 2: Convert to fraction form
    79,394.54/118,936.10 = 46,044.56/x
  3. Step 3: Cross multiply
    79,394.54x = 118,936.10 × 46,044.56
  4. Step 4: Simplify right side
    79,394.54x = 5,476,360,805.07
  5. Step 5: Solve for x
    x = 5,476,360,805.07/79,394.54
  6. Step 6: Final answer
    x = 68,976.55

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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.