Home / 80,640.72-111,277.89-44,828.55

Finding the Fourth Proportional to 80,640.72, 111,277.89 and 44,828.55

Calculator

Solution

The fourth proportional to 80,640.72, 111,277.89 and 44,828.55 is: 61,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,640.72 : 111,277.89 = 44,828.55 : x
  2. Step 2: Convert to fraction form
    80,640.72/111,277.89 = 44,828.55/x
  3. Step 3: Cross multiply
    80,640.72x = 111,277.89 × 44,828.55
  4. Step 4: Simplify right side
    80,640.72x = 4,988,426,455.76
  5. Step 5: Solve for x
    x = 4,988,426,455.76/80,640.72
  6. Step 6: Final answer
    x = 61,859.89

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.