Home / 80,542.46-111,019.35-54,692.90

Finding the Fourth Proportional to 80,542.46, 111,019.35 and 54,692.90

Calculator

Solution

The fourth proportional to 80,542.46, 111,019.35 and 54,692.90 is: 75,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542.46 : 111,019.35 = 54,692.90 : x
  2. Step 2: Convert to fraction form
    80,542.46/111,019.35 = 54,692.90/x
  3. Step 3: Cross multiply
    80,542.46x = 111,019.35 × 54,692.90
  4. Step 4: Simplify right side
    80,542.46x = 6,071,970,207.62
  5. Step 5: Solve for x
    x = 6,071,970,207.62/80,542.46
  6. Step 6: Final answer
    x = 75,388.44

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.