Home / 81,872.04-122,808.05-22,707.71

Finding the Fourth Proportional to 81,872.04, 122,808.05 and 22,707.71

Calculator

Solution

The fourth proportional to 81,872.04, 122,808.05 and 22,707.71 is: 34,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,872.04 : 122,808.05 = 22,707.71 : x
  2. Step 2: Convert to fraction form
    81,872.04/122,808.05 = 22,707.71/x
  3. Step 3: Cross multiply
    81,872.04x = 122,808.05 × 22,707.71
  4. Step 4: Simplify right side
    81,872.04x = 2,788,689,585.07
  5. Step 5: Solve for x
    x = 2,788,689,585.07/81,872.04
  6. Step 6: Final answer
    x = 34,061.56

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.