Home / 74,811.25-103,241.69-41,279.41

Finding the Fourth Proportional to 74,811.25, 103,241.69 and 41,279.41

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Solution

The fourth proportional to 74,811.25, 103,241.69 and 41,279.41 is: 56,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.25 : 103,241.69 = 41,279.41 : x
  2. Step 2: Convert to fraction form
    74,811.25/103,241.69 = 41,279.41/x
  3. Step 3: Cross multiply
    74,811.25x = 103,241.69 × 41,279.41
  4. Step 4: Simplify right side
    74,811.25x = 4,261,755,844.21
  5. Step 5: Solve for x
    x = 4,261,755,844.21/74,811.25
  6. Step 6: Final answer
    x = 56,966.78

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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.