Home / 79,811.80-119,717.70-27,280.60

Finding the Fourth Proportional to 79,811.80, 119,717.70 and 27,280.60

Calculator

Solution

The fourth proportional to 79,811.80, 119,717.70 and 27,280.60 is: 40,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,811.80 : 119,717.70 = 27,280.60 : x
  2. Step 2: Convert to fraction form
    79,811.80/119,717.70 = 27,280.60/x
  3. Step 3: Cross multiply
    79,811.80x = 119,717.70 × 27,280.60
  4. Step 4: Simplify right side
    79,811.80x = 3,265,970,686.62
  5. Step 5: Solve for x
    x = 3,265,970,686.62/79,811.80
  6. Step 6: Final answer
    x = 40,920.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.