Home / 87,422.75-120,643.21-49,182.33

Finding the Fourth Proportional to 87,422.75, 120,643.21 and 49,182.33

Calculator

Solution

The fourth proportional to 87,422.75, 120,643.21 and 49,182.33 is: 67,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,422.75 : 120,643.21 = 49,182.33 : x
  2. Step 2: Convert to fraction form
    87,422.75/120,643.21 = 49,182.33/x
  3. Step 3: Cross multiply
    87,422.75x = 120,643.21 × 49,182.33
  4. Step 4: Simplify right side
    87,422.75x = 5,933,514,043.52
  5. Step 5: Solve for x
    x = 5,933,514,043.52/87,422.75
  6. Step 6: Final answer
    x = 67,871.51

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.