Home / 75,914.11-113,940.26-40,405.24

Finding the Fourth Proportional to 75,914.11, 113,940.26 and 40,405.24

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Solution

The fourth proportional to 75,914.11, 113,940.26 and 40,405.24 is: 60,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,914.11 : 113,940.26 = 40,405.24 : x
  2. Step 2: Convert to fraction form
    75,914.11/113,940.26 = 40,405.24/x
  3. Step 3: Cross multiply
    75,914.11x = 113,940.26 × 40,405.24
  4. Step 4: Simplify right side
    75,914.11x = 4,603,783,367.12
  5. Step 5: Solve for x
    x = 4,603,783,367.12/75,914.11
  6. Step 6: Final answer
    x = 60,644.64

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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.