Home / 69.87-96.44-45.37

Finding the Fourth Proportional to 69.87, 96.44 and 45.37

Calculator

Solution

The fourth proportional to 69.87, 96.44 and 45.37 is: 62.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.87 : 96.44 = 45.37 : x
  2. Step 2: Convert to fraction form
    69.87/96.44 = 45.37/x
  3. Step 3: Cross multiply
    69.87x = 96.44 × 45.37
  4. Step 4: Simplify right side
    69.87x = 4,375.48
  5. Step 5: Solve for x
    x = 4,375.48/69.87
  6. Step 6: Final answer
    x = 62.62

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.