Home / 81,623.04-122,405.76-29,022.72

Finding the Fourth Proportional to 81,623.04, 122,405.76 and 29,022.72

Calculator

Solution

The fourth proportional to 81,623.04, 122,405.76 and 29,022.72 is: 43,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,623.04 : 122,405.76 = 29,022.72 : x
  2. Step 2: Convert to fraction form
    81,623.04/122,405.76 = 29,022.72/x
  3. Step 3: Cross multiply
    81,623.04x = 122,405.76 × 29,022.72
  4. Step 4: Simplify right side
    81,623.04x = 3,552,548,098.87
  5. Step 5: Solve for x
    x = 3,552,548,098.87/81,623.04
  6. Step 6: Final answer
    x = 43,523.84

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.