Home / 81,595.44-112,609.80-54,793.76

Finding the Fourth Proportional to 81,595.44, 112,609.80 and 54,793.76

Calculator

Solution

The fourth proportional to 81,595.44, 112,609.80 and 54,793.76 is: 75,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,595.44 : 112,609.80 = 54,793.76 : x
  2. Step 2: Convert to fraction form
    81,595.44/112,609.80 = 54,793.76/x
  3. Step 3: Cross multiply
    81,595.44x = 112,609.80 × 54,793.76
  4. Step 4: Simplify right side
    81,595.44x = 6,170,313,791.80
  5. Step 5: Solve for x
    x = 6,170,313,791.80/81,595.44
  6. Step 6: Final answer
    x = 75,620.82

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.