Home / 92,910.80-128,212.06-50,469.28

Finding the Fourth Proportional to 92,910.80, 128,212.06 and 50,469.28

Calculator

Solution

The fourth proportional to 92,910.80, 128,212.06 and 50,469.28 is: 69,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,910.80 : 128,212.06 = 50,469.28 : x
  2. Step 2: Convert to fraction form
    92,910.80/128,212.06 = 50,469.28/x
  3. Step 3: Cross multiply
    92,910.80x = 128,212.06 × 50,469.28
  4. Step 4: Simplify right side
    92,910.80x = 6,470,770,355.52
  5. Step 5: Solve for x
    x = 6,470,770,355.52/92,910.80
  6. Step 6: Final answer
    x = 69,644.98

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.