Home / 74,761.97-103,170.23-40,770.73

Finding the Fourth Proportional to 74,761.97, 103,170.23 and 40,770.73

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Solution

The fourth proportional to 74,761.97, 103,170.23 and 40,770.73 is: 56,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,761.97 : 103,170.23 = 40,770.73 : x
  2. Step 2: Convert to fraction form
    74,761.97/103,170.23 = 40,770.73/x
  3. Step 3: Cross multiply
    74,761.97x = 103,170.23 × 40,770.73
  4. Step 4: Simplify right side
    74,761.97x = 4,206,325,282.48
  5. Step 5: Solve for x
    x = 4,206,325,282.48/74,761.97
  6. Step 6: Final answer
    x = 56,262.90

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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.