Home / 75,787.68-104,489.52-51,873.12

Finding the Fourth Proportional to 75,787.68, 104,489.52 and 51,873.12

Calculator

Solution

The fourth proportional to 75,787.68, 104,489.52 and 51,873.12 is: 71,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.68 : 104,489.52 = 51,873.12 : x
  2. Step 2: Convert to fraction form
    75,787.68/104,489.52 = 51,873.12/x
  3. Step 3: Cross multiply
    75,787.68x = 104,489.52 × 51,873.12
  4. Step 4: Simplify right side
    75,787.68x = 5,420,197,409.70
  5. Step 5: Solve for x
    x = 5,420,197,409.70/75,787.68
  6. Step 6: Final answer
    x = 71,518.19

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.