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Finding the Fourth Proportional to 74,796.75, 103,219.52 and 41,262.75

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Solution

The fourth proportional to 74,796.75, 103,219.52 and 41,262.75 is: 56,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,796.75 : 103,219.52 = 41,262.75 : x
  2. Step 2: Convert to fraction form
    74,796.75/103,219.52 = 41,262.75/x
  3. Step 3: Cross multiply
    74,796.75x = 103,219.52 × 41,262.75
  4. Step 4: Simplify right side
    74,796.75x = 4,259,121,042.57
  5. Step 5: Solve for x
    x = 4,259,121,042.57/74,796.75
  6. Step 6: Final answer
    x = 56,942.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.