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Finding the Fourth Proportional to 79,126.39, 118,530.60 and 36,948.30

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Solution

The fourth proportional to 79,126.39, 118,530.60 and 36,948.30 is: 55,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126.39 : 118,530.60 = 36,948.30 : x
  2. Step 2: Convert to fraction form
    79,126.39/118,530.60 = 36,948.30/x
  3. Step 3: Cross multiply
    79,126.39x = 118,530.60 × 36,948.30
  4. Step 4: Simplify right side
    79,126.39x = 4,379,504,167.98
  5. Step 5: Solve for x
    x = 4,379,504,167.98/79,126.39
  6. Step 6: Final answer
    x = 55,348.21

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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.