Home / 78,921.24-108,909.94-43,110.33

Finding the Fourth Proportional to 78,921.24, 108,909.94 and 43,110.33

Calculator

Solution

The fourth proportional to 78,921.24, 108,909.94 and 43,110.33 is: 59,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,921.24 : 108,909.94 = 43,110.33 : x
  2. Step 2: Convert to fraction form
    78,921.24/108,909.94 = 43,110.33/x
  3. Step 3: Cross multiply
    78,921.24x = 108,909.94 × 43,110.33
  4. Step 4: Simplify right side
    78,921.24x = 4,695,143,453.68
  5. Step 5: Solve for x
    x = 4,695,143,453.68/78,921.24
  6. Step 6: Final answer
    x = 59,491.51

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.