Home / 75,976.25-113,965.85-23,385.69

Finding the Fourth Proportional to 75,976.25, 113,965.85 and 23,385.69

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Solution

The fourth proportional to 75,976.25, 113,965.85 and 23,385.69 is: 35,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,976.25 : 113,965.85 = 23,385.69 : x
  2. Step 2: Convert to fraction form
    75,976.25/113,965.85 = 23,385.69/x
  3. Step 3: Cross multiply
    75,976.25x = 113,965.85 × 23,385.69
  4. Step 4: Simplify right side
    75,976.25x = 2,665,170,038.69
  5. Step 5: Solve for x
    x = 2,665,170,038.69/75,976.25
  6. Step 6: Final answer
    x = 35,078.99

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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.