Home / 83,842.38-115,661.83-49,826.79

Finding the Fourth Proportional to 83,842.38, 115,661.83 and 49,826.79

Calculator

Solution

The fourth proportional to 83,842.38, 115,661.83 and 49,826.79 is: 68,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,842.38 : 115,661.83 = 49,826.79 : x
  2. Step 2: Convert to fraction form
    83,842.38/115,661.83 = 49,826.79/x
  3. Step 3: Cross multiply
    83,842.38x = 115,661.83 × 49,826.79
  4. Step 4: Simplify right side
    83,842.38x = 5,763,057,714.43
  5. Step 5: Solve for x
    x = 5,763,057,714.43/83,842.38
  6. Step 6: Final answer
    x = 68,736.81

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.