Home / 83.91-115.75-60.60

Finding the Fourth Proportional to 83.91, 115.75 and 60.60

Calculator

Solution

The fourth proportional to 83.91, 115.75 and 60.60 is: 83.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.91 : 115.75 = 60.60 : x
  2. Step 2: Convert to fraction form
    83.91/115.75 = 60.60/x
  3. Step 3: Cross multiply
    83.91x = 115.75 × 60.60
  4. Step 4: Simplify right side
    83.91x = 7,014.45
  5. Step 5: Solve for x
    x = 7,014.45/83.91
  6. Step 6: Final answer
    x = 83.59

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.