Home / 87.04-130.38-48.52

Finding the Fourth Proportional to 87.04, 130.38 and 48.52

Calculator

Solution

The fourth proportional to 87.04, 130.38 and 48.52 is: 72.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87.04 : 130.38 = 48.52 : x
  2. Step 2: Convert to fraction form
    87.04/130.38 = 48.52/x
  3. Step 3: Cross multiply
    87.04x = 130.38 × 48.52
  4. Step 4: Simplify right side
    87.04x = 6,326.04
  5. Step 5: Solve for x
    x = 6,326.04/87.04
  6. Step 6: Final answer
    x = 72.68

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.