Home / 75,891.91-104,760.40-67,920.30

Finding the Fourth Proportional to 75,891.91, 104,760.40 and 67,920.30

Calculator

Solution

The fourth proportional to 75,891.91, 104,760.40 and 67,920.30 is: 93,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,891.91 : 104,760.40 = 67,920.30 : x
  2. Step 2: Convert to fraction form
    75,891.91/104,760.40 = 67,920.30/x
  3. Step 3: Cross multiply
    75,891.91x = 104,760.40 × 67,920.30
  4. Step 4: Simplify right side
    75,891.91x = 7,115,357,796.12
  5. Step 5: Solve for x
    x = 7,115,357,796.12/75,891.91
  6. Step 6: Final answer
    x = 93,756.47

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.