Home / 70.71-97.50-69.03

Finding the Fourth Proportional to 70.71, 97.50 and 69.03

Calculator

Solution

The fourth proportional to 70.71, 97.50 and 69.03 is: 95.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.71 : 97.50 = 69.03 : x
  2. Step 2: Convert to fraction form
    70.71/97.50 = 69.03/x
  3. Step 3: Cross multiply
    70.71x = 97.50 × 69.03
  4. Step 4: Simplify right side
    70.71x = 6,730.68
  5. Step 5: Solve for x
    x = 6,730.68/70.71
  6. Step 6: Final answer
    x = 95.19

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.