Home / 79,092.17-109,144.54-43,279.78

Finding the Fourth Proportional to 79,092.17, 109,144.54 and 43,279.78

Calculator

Solution

The fourth proportional to 79,092.17, 109,144.54 and 43,279.78 is: 59,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,092.17 : 109,144.54 = 43,279.78 : x
  2. Step 2: Convert to fraction form
    79,092.17/109,144.54 = 43,279.78/x
  3. Step 3: Cross multiply
    79,092.17x = 109,144.54 × 43,279.78
  4. Step 4: Simplify right side
    79,092.17x = 4,723,751,679.40
  5. Step 5: Solve for x
    x = 4,723,751,679.40/79,092.17
  6. Step 6: Final answer
    x = 59,724.64

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.