Home / 80,962.10-111,682.77-47,421.62

Finding the Fourth Proportional to 80,962.10, 111,682.77 and 47,421.62

Calculator

Solution

The fourth proportional to 80,962.10, 111,682.77 and 47,421.62 is: 65,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,962.10 : 111,682.77 = 47,421.62 : x
  2. Step 2: Convert to fraction form
    80,962.10/111,682.77 = 47,421.62/x
  3. Step 3: Cross multiply
    80,962.10x = 111,682.77 × 47,421.62
  4. Step 4: Simplify right side
    80,962.10x = 5,296,177,879.49
  5. Step 5: Solve for x
    x = 5,296,177,879.49/80,962.10
  6. Step 6: Final answer
    x = 65,415.52

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.