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Finding the Fourth Proportional to 79,223.41, 118,755.10 and 49,661.97

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Solution

The fourth proportional to 79,223.41, 118,755.10 and 49,661.97 is: 74,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223.41 : 118,755.10 = 49,661.97 : x
  2. Step 2: Convert to fraction form
    79,223.41/118,755.10 = 49,661.97/x
  3. Step 3: Cross multiply
    79,223.41x = 118,755.10 × 49,661.97
  4. Step 4: Simplify right side
    79,223.41x = 5,897,612,213.55
  5. Step 5: Solve for x
    x = 5,897,612,213.55/79,223.41
  6. Step 6: Final answer
    x = 74,442.80

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1.5x scale

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.