Home / 84.99-127.38-50.76

Finding the Fourth Proportional to 84.99, 127.38 and 50.76

Calculator

Solution

The fourth proportional to 84.99, 127.38 and 50.76 is: 76.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84.99 : 127.38 = 50.76 : x
  2. Step 2: Convert to fraction form
    84.99/127.38 = 50.76/x
  3. Step 3: Cross multiply
    84.99x = 127.38 × 50.76
  4. Step 4: Simplify right side
    84.99x = 6,465.81
  5. Step 5: Solve for x
    x = 6,465.81/84.99
  6. Step 6: Final answer
    x = 76.08

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.