Home / 89.62-134.43-43.97

Finding the Fourth Proportional to 89.62, 134.43 and 43.97

Calculator

Solution

The fourth proportional to 89.62, 134.43 and 43.97 is: 65.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.62 : 134.43 = 43.97 : x
  2. Step 2: Convert to fraction form
    89.62/134.43 = 43.97/x
  3. Step 3: Cross multiply
    89.62x = 134.43 × 43.97
  4. Step 4: Simplify right side
    89.62x = 5,910.89
  5. Step 5: Solve for x
    x = 5,910.89/89.62
  6. Step 6: Final answer
    x = 65.96

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.