Home / 75,322.80-112,984.20-73,940.40

Finding the Fourth Proportional to 75,322.80, 112,984.20 and 73,940.40

Calculator

Solution

The fourth proportional to 75,322.80, 112,984.20 and 73,940.40 is: 110,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,322.80 : 112,984.20 = 73,940.40 : x
  2. Step 2: Convert to fraction form
    75,322.80/112,984.20 = 73,940.40/x
  3. Step 3: Cross multiply
    75,322.80x = 112,984.20 × 73,940.40
  4. Step 4: Simplify right side
    75,322.80x = 8,354,096,941.68
  5. Step 5: Solve for x
    x = 8,354,096,941.68/75,322.80
  6. Step 6: Final answer
    x = 110,910.60

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.