Home / 87,626.20-131,439.30-43,274.20

Finding the Fourth Proportional to 87,626.20, 131,439.30 and 43,274.20

Calculator

Solution

The fourth proportional to 87,626.20, 131,439.30 and 43,274.20 is: 64,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626.20 : 131,439.30 = 43,274.20 : x
  2. Step 2: Convert to fraction form
    87,626.20/131,439.30 = 43,274.20/x
  3. Step 3: Cross multiply
    87,626.20x = 131,439.30 × 43,274.20
  4. Step 4: Simplify right side
    87,626.20x = 5,687,930,556.06
  5. Step 5: Solve for x
    x = 5,687,930,556.06/87,626.20
  6. Step 6: Final answer
    x = 64,911.30

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.