Home / 81,722.15-122,583.24-34,942.22

Finding the Fourth Proportional to 81,722.15, 122,583.24 and 34,942.22

Calculator

Solution

The fourth proportional to 81,722.15, 122,583.24 and 34,942.22 is: 52,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,722.15 : 122,583.24 = 34,942.22 : x
  2. Step 2: Convert to fraction form
    81,722.15/122,583.24 = 34,942.22/x
  3. Step 3: Cross multiply
    81,722.15x = 122,583.24 × 34,942.22
  4. Step 4: Simplify right side
    81,722.15x = 4,283,330,387.16
  5. Step 5: Solve for x
    x = 4,283,330,387.16/81,722.15
  6. Step 6: Final answer
    x = 52,413.34

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.