Home / 87.62-131.41-41.95

Finding the Fourth Proportional to 87.62, 131.41 and 41.95

Calculator

Solution

The fourth proportional to 87.62, 131.41 and 41.95 is: 62.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87.62 : 131.41 = 41.95 : x
  2. Step 2: Convert to fraction form
    87.62/131.41 = 41.95/x
  3. Step 3: Cross multiply
    87.62x = 131.41 × 41.95
  4. Step 4: Simplify right side
    87.62x = 5,512.63
  5. Step 5: Solve for x
    x = 5,512.63/87.62
  6. Step 6: Final answer
    x = 62.92

Related Problems

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.