Home / 82.01-113.17-45.17

Finding the Fourth Proportional to 82.01, 113.17 and 45.17

Calculator

Solution

The fourth proportional to 82.01, 113.17 and 45.17 is: 62.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.01 : 113.17 = 45.17 : x
  2. Step 2: Convert to fraction form
    82.01/113.17 = 45.17/x
  3. Step 3: Cross multiply
    82.01x = 113.17 × 45.17
  4. Step 4: Simplify right side
    82.01x = 5,111.65
  5. Step 5: Solve for x
    x = 5,111.65/82.01
  6. Step 6: Final answer
    x = 62.33

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.