Home / 83,793.69-115,657.07-55,489.05

Finding the Fourth Proportional to 83,793.69, 115,657.07 and 55,489.05

Calculator

Solution

The fourth proportional to 83,793.69, 115,657.07 and 55,489.05 is: 76,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,793.69 : 115,657.07 = 55,489.05 : x
  2. Step 2: Convert to fraction form
    83,793.69/115,657.07 = 55,489.05/x
  3. Step 3: Cross multiply
    83,793.69x = 115,657.07 × 55,489.05
  4. Step 4: Simplify right side
    83,793.69x = 6,417,700,662.64
  5. Step 5: Solve for x
    x = 6,417,700,662.64/83,793.69
  6. Step 6: Final answer
    x = 76,589.31

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.