Home / 80,821.16-111,424.46-56,589.52

Finding the Fourth Proportional to 80,821.16, 111,424.46 and 56,589.52

Calculator

Solution

The fourth proportional to 80,821.16, 111,424.46 and 56,589.52 is: 78,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,821.16 : 111,424.46 = 56,589.52 : x
  2. Step 2: Convert to fraction form
    80,821.16/111,424.46 = 56,589.52/x
  3. Step 3: Cross multiply
    80,821.16x = 111,424.46 × 56,589.52
  4. Step 4: Simplify right side
    80,821.16x = 6,305,456,707.66
  5. Step 5: Solve for x
    x = 6,305,456,707.66/80,821.16
  6. Step 6: Final answer
    x = 78,017.40

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.