Home / 82.53-123.87-41.42

Finding the Fourth Proportional to 82.53, 123.87 and 41.42

Calculator

Solution

The fourth proportional to 82.53, 123.87 and 41.42 is: 62.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.53 : 123.87 = 41.42 : x
  2. Step 2: Convert to fraction form
    82.53/123.87 = 41.42/x
  3. Step 3: Cross multiply
    82.53x = 123.87 × 41.42
  4. Step 4: Simplify right side
    82.53x = 5,131.12
  5. Step 5: Solve for x
    x = 5,131.12/82.53
  6. Step 6: Final answer
    x = 62.18

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.