Home / 85,440.20-117,909.24-47,714.48

Finding the Fourth Proportional to 85,440.20, 117,909.24 and 47,714.48

Calculator

Solution

The fourth proportional to 85,440.20, 117,909.24 and 47,714.48 is: 65,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,440.20 : 117,909.24 = 47,714.48 : x
  2. Step 2: Convert to fraction form
    85,440.20/117,909.24 = 47,714.48/x
  3. Step 3: Cross multiply
    85,440.20x = 117,909.24 × 47,714.48
  4. Step 4: Simplify right side
    85,440.20x = 5,625,978,073.80
  5. Step 5: Solve for x
    x = 5,625,978,073.80/85,440.20
  6. Step 6: Final answer
    x = 65,846.97

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.