Home / 68,793.12-94,954.20-40,515.24

Finding the Fourth Proportional to 68,793.12, 94,954.20 and 40,515.24

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Solution

The fourth proportional to 68,793.12, 94,954.20 and 40,515.24 is: 55,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793.12 : 94,954.20 = 40,515.24 : x
  2. Step 2: Convert to fraction form
    68,793.12/94,954.20 = 40,515.24/x
  3. Step 3: Cross multiply
    68,793.12x = 94,954.20 × 40,515.24
  4. Step 4: Simplify right side
    68,793.12x = 3,847,092,202.01
  5. Step 5: Solve for x
    x = 3,847,092,202.01/68,793.12
  6. Step 6: Final answer
    x = 55,922.63

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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.