Home / 87,346.72-120,542.74-49,118.30

Finding the Fourth Proportional to 87,346.72, 120,542.74 and 49,118.30

Calculator

Solution

The fourth proportional to 87,346.72, 120,542.74 and 49,118.30 is: 67,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.72 : 120,542.74 = 49,118.30 : x
  2. Step 2: Convert to fraction form
    87,346.72/120,542.74 = 49,118.30/x
  3. Step 3: Cross multiply
    87,346.72x = 120,542.74 × 49,118.30
  4. Step 4: Simplify right side
    87,346.72x = 5,920,853,863.43
  5. Step 5: Solve for x
    x = 5,920,853,863.43/87,346.72
  6. Step 6: Final answer
    x = 67,785.65

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.