Home / 87,331.82-120,517.89-47,587.82

Finding the Fourth Proportional to 87,331.82, 120,517.89 and 47,587.82

Calculator

Solution

The fourth proportional to 87,331.82, 120,517.89 and 47,587.82 is: 65,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,331.82 : 120,517.89 = 47,587.82 : x
  2. Step 2: Convert to fraction form
    87,331.82/120,517.89 = 47,587.82/x
  3. Step 3: Cross multiply
    87,331.82x = 120,517.89 × 47,587.82
  4. Step 4: Simplify right side
    87,331.82x = 5,735,183,656.10
  5. Step 5: Solve for x
    x = 5,735,183,656.10/87,331.82
  6. Step 6: Final answer
    x = 65,671.18

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.