Home / 73.57-101.49-54.13

Finding the Fourth Proportional to 73.57, 101.49 and 54.13

Calculator

Solution

The fourth proportional to 73.57, 101.49 and 54.13 is: 74.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.57 : 101.49 = 54.13 : x
  2. Step 2: Convert to fraction form
    73.57/101.49 = 54.13/x
  3. Step 3: Cross multiply
    73.57x = 101.49 × 54.13
  4. Step 4: Simplify right side
    73.57x = 5,493.65
  5. Step 5: Solve for x
    x = 5,493.65/73.57
  6. Step 6: Final answer
    x = 74.67

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.