Home / 79,108.76-109,170.12-43,298.78

Finding the Fourth Proportional to 79,108.76, 109,170.12 and 43,298.78

Calculator

Solution

The fourth proportional to 79,108.76, 109,170.12 and 43,298.78 is: 59,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,108.76 : 109,170.12 = 43,298.78 : x
  2. Step 2: Convert to fraction form
    79,108.76/109,170.12 = 43,298.78/x
  3. Step 3: Cross multiply
    79,108.76x = 109,170.12 × 43,298.78
  4. Step 4: Simplify right side
    79,108.76x = 4,726,933,008.45
  5. Step 5: Solve for x
    x = 4,726,933,008.45/79,108.76
  6. Step 6: Final answer
    x = 59,752.33

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.