Home / 79,131.39-109,201.38-43,323.57

Finding the Fourth Proportional to 79,131.39, 109,201.38 and 43,323.57

Calculator

Solution

The fourth proportional to 79,131.39, 109,201.38 and 43,323.57 is: 59,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,131.39 : 109,201.38 = 43,323.57 : x
  2. Step 2: Convert to fraction form
    79,131.39/109,201.38 = 43,323.57/x
  3. Step 3: Cross multiply
    79,131.39x = 109,201.38 × 43,323.57
  4. Step 4: Simplify right side
    79,131.39x = 4,730,993,630.53
  5. Step 5: Solve for x
    x = 4,730,993,630.53/79,131.39
  6. Step 6: Final answer
    x = 59,786.56

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.