Home / 67.41-100.59-65.79

Finding the Fourth Proportional to 67.41, 100.59 and 65.79

Calculator

Solution

The fourth proportional to 67.41, 100.59 and 65.79 is: 98.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.41 : 100.59 = 65.79 : x
  2. Step 2: Convert to fraction form
    67.41/100.59 = 65.79/x
  3. Step 3: Cross multiply
    67.41x = 100.59 × 65.79
  4. Step 4: Simplify right side
    67.41x = 6,617.82
  5. Step 5: Solve for x
    x = 6,617.82/67.41
  6. Step 6: Final answer
    x = 98.17

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.