Home / 74,540.87-102,868.28-40,551.27

Finding the Fourth Proportional to 74,540.87, 102,868.28 and 40,551.27

Calculator

Solution

The fourth proportional to 74,540.87, 102,868.28 and 40,551.27 is: 55,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.87 : 102,868.28 = 40,551.27 : x
  2. Step 2: Convert to fraction form
    74,540.87/102,868.28 = 40,551.27/x
  3. Step 3: Cross multiply
    74,540.87x = 102,868.28 × 40,551.27
  4. Step 4: Simplify right side
    74,540.87x = 4,171,439,396.72
  5. Step 5: Solve for x
    x = 4,171,439,396.72/74,540.87
  6. Step 6: Final answer
    x = 55,961.78

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.