Home / 79,805.76-110,129.73-43,995.78

Finding the Fourth Proportional to 79,805.76, 110,129.73 and 43,995.78

Calculator

Solution

The fourth proportional to 79,805.76, 110,129.73 and 43,995.78 is: 60,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805.76 : 110,129.73 = 43,995.78 : x
  2. Step 2: Convert to fraction form
    79,805.76/110,129.73 = 43,995.78/x
  3. Step 3: Cross multiply
    79,805.76x = 110,129.73 × 43,995.78
  4. Step 4: Simplify right side
    79,805.76x = 4,845,243,372.54
  5. Step 5: Solve for x
    x = 4,845,243,372.54/79,805.76
  6. Step 6: Final answer
    x = 60,712.95

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.