Home / 78,795.12-108,754.84-50,109.24

Finding the Fourth Proportional to 78,795.12, 108,754.84 and 50,109.24

Calculator

Solution

The fourth proportional to 78,795.12, 108,754.84 and 50,109.24 is: 69,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,795.12 : 108,754.84 = 50,109.24 : x
  2. Step 2: Convert to fraction form
    78,795.12/108,754.84 = 50,109.24/x
  3. Step 3: Cross multiply
    78,795.12x = 108,754.84 × 50,109.24
  4. Step 4: Simplify right side
    78,795.12x = 5,449,622,378.72
  5. Step 5: Solve for x
    x = 5,449,622,378.72/78,795.12
  6. Step 6: Final answer
    x = 69,161.93

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.