Home / 67.96-101.76-51.88

Finding the Fourth Proportional to 67.96, 101.76 and 51.88

Calculator

Solution

The fourth proportional to 67.96, 101.76 and 51.88 is: 77.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.96 : 101.76 = 51.88 : x
  2. Step 2: Convert to fraction form
    67.96/101.76 = 51.88/x
  3. Step 3: Cross multiply
    67.96x = 101.76 × 51.88
  4. Step 4: Simplify right side
    67.96x = 5,279.31
  5. Step 5: Solve for x
    x = 5,279.31/67.96
  6. Step 6: Final answer
    x = 77.68

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.