Home / 82.59-113.97-51.52

Finding the Fourth Proportional to 82.59, 113.97 and 51.52

Calculator

Solution

The fourth proportional to 82.59, 113.97 and 51.52 is: 71.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.59 : 113.97 = 51.52 : x
  2. Step 2: Convert to fraction form
    82.59/113.97 = 51.52/x
  3. Step 3: Cross multiply
    82.59x = 113.97 × 51.52
  4. Step 4: Simplify right side
    82.59x = 5,871.86
  5. Step 5: Solve for x
    x = 5,871.86/82.59
  6. Step 6: Final answer
    x = 71.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.