Home / 75,975.82-113,965.20-23,385.25

Finding the Fourth Proportional to 75,975.82, 113,965.20 and 23,385.25

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Solution

The fourth proportional to 75,975.82, 113,965.20 and 23,385.25 is: 35,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,975.82 : 113,965.20 = 23,385.25 : x
  2. Step 2: Convert to fraction form
    75,975.82/113,965.20 = 23,385.25/x
  3. Step 3: Cross multiply
    75,975.82x = 113,965.20 × 23,385.25
  4. Step 4: Simplify right side
    75,975.82x = 2,665,104,576.37
  5. Step 5: Solve for x
    x = 2,665,104,576.37/75,975.82
  6. Step 6: Final answer
    x = 35,078.33

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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.