Home / 75.92-104.72-48.29

Finding the Fourth Proportional to 75.92, 104.72 and 48.29

Calculator

Solution

The fourth proportional to 75.92, 104.72 and 48.29 is: 66.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.92 : 104.72 = 48.29 : x
  2. Step 2: Convert to fraction form
    75.92/104.72 = 48.29/x
  3. Step 3: Cross multiply
    75.92x = 104.72 × 48.29
  4. Step 4: Simplify right side
    75.92x = 5,056.16
  5. Step 5: Solve for x
    x = 5,056.16/75.92
  6. Step 6: Final answer
    x = 66.60

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.