Home / 81,383.44-122,093.76-31,463.92

Finding the Fourth Proportional to 81,383.44, 122,093.76 and 31,463.92

Calculator

Solution

The fourth proportional to 81,383.44, 122,093.76 and 31,463.92 is: 47,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,383.44 : 122,093.76 = 31,463.92 : x
  2. Step 2: Convert to fraction form
    81,383.44/122,093.76 = 31,463.92/x
  3. Step 3: Cross multiply
    81,383.44x = 122,093.76 × 31,463.92
  4. Step 4: Simplify right side
    81,383.44x = 3,841,548,297.14
  5. Step 5: Solve for x
    x = 3,841,548,297.14/81,383.44
  6. Step 6: Final answer
    x = 47,203.07

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.