Home / 70.72-106.01-46.69

Finding the Fourth Proportional to 70.72, 106.01 and 46.69

Calculator

Solution

The fourth proportional to 70.72, 106.01 and 46.69 is: 69.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.72 : 106.01 = 46.69 : x
  2. Step 2: Convert to fraction form
    70.72/106.01 = 46.69/x
  3. Step 3: Cross multiply
    70.72x = 106.01 × 46.69
  4. Step 4: Simplify right side
    70.72x = 4,949.61
  5. Step 5: Solve for x
    x = 4,949.61/70.72
  6. Step 6: Final answer
    x = 69.99

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.