Home / 80,515.19-120,788.12-32,487.61

Finding the Fourth Proportional to 80,515.19, 120,788.12 and 32,487.61

Calculator

Solution

The fourth proportional to 80,515.19, 120,788.12 and 32,487.61 is: 48,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,515.19 : 120,788.12 = 32,487.61 : x
  2. Step 2: Convert to fraction form
    80,515.19/120,788.12 = 32,487.61/x
  3. Step 3: Cross multiply
    80,515.19x = 120,788.12 × 32,487.61
  4. Step 4: Simplify right side
    80,515.19x = 3,924,117,335.19
  5. Step 5: Solve for x
    x = 3,924,117,335.19/80,515.19
  6. Step 6: Final answer
    x = 48,737.60

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.