Home / 81,888.88-112,983.95-49,174.85

Finding the Fourth Proportional to 81,888.88, 112,983.95 and 49,174.85

Calculator

Solution

The fourth proportional to 81,888.88, 112,983.95 and 49,174.85 is: 67,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,888.88 : 112,983.95 = 49,174.85 : x
  2. Step 2: Convert to fraction form
    81,888.88/112,983.95 = 49,174.85/x
  3. Step 3: Cross multiply
    81,888.88x = 112,983.95 × 49,174.85
  4. Step 4: Simplify right side
    81,888.88x = 5,555,968,793.66
  5. Step 5: Solve for x
    x = 5,555,968,793.66/81,888.88
  6. Step 6: Final answer
    x = 67,847.66

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.