Home / 89.33-133.88-48.79

Finding the Fourth Proportional to 89.33, 133.88 and 48.79

Calculator

Solution

The fourth proportional to 89.33, 133.88 and 48.79 is: 73.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.33 : 133.88 = 48.79 : x
  2. Step 2: Convert to fraction form
    89.33/133.88 = 48.79/x
  3. Step 3: Cross multiply
    89.33x = 133.88 × 48.79
  4. Step 4: Simplify right side
    89.33x = 6,532.01
  5. Step 5: Solve for x
    x = 6,532.01/89.33
  6. Step 6: Final answer
    x = 73.12

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.