Home / 69.33-95.81-53.98

Finding the Fourth Proportional to 69.33, 95.81 and 53.98

Calculator

Solution

The fourth proportional to 69.33, 95.81 and 53.98 is: 74.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.33 : 95.81 = 53.98 : x
  2. Step 2: Convert to fraction form
    69.33/95.81 = 53.98/x
  3. Step 3: Cross multiply
    69.33x = 95.81 × 53.98
  4. Step 4: Simplify right side
    69.33x = 5,171.31
  5. Step 5: Solve for x
    x = 5,171.31/69.33
  6. Step 6: Final answer
    x = 74.59

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.