Home / 64.44-96.72-55.44

Finding the Fourth Proportional to 64.44, 96.72 and 55.44

Calculator

Solution

The fourth proportional to 64.44, 96.72 and 55.44 is: 83.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.44 : 96.72 = 55.44 : x
  2. Step 2: Convert to fraction form
    64.44/96.72 = 55.44/x
  3. Step 3: Cross multiply
    64.44x = 96.72 × 55.44
  4. Step 4: Simplify right side
    64.44x = 5,362.16
  5. Step 5: Solve for x
    x = 5,362.16/64.44
  6. Step 6: Final answer
    x = 83.21

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.