Home / 82.59-113.94-49.82

Finding the Fourth Proportional to 82.59, 113.94 and 49.82

Calculator

Solution

The fourth proportional to 82.59, 113.94 and 49.82 is: 68.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.59 : 113.94 = 49.82 : x
  2. Step 2: Convert to fraction form
    82.59/113.94 = 49.82/x
  3. Step 3: Cross multiply
    82.59x = 113.94 × 49.82
  4. Step 4: Simplify right side
    82.59x = 5,676.31
  5. Step 5: Solve for x
    x = 5,676.31/82.59
  6. Step 6: Final answer
    x = 68.73

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.