Home / 72,998.16-100,634.04-51,769.68

Finding the Fourth Proportional to 72,998.16, 100,634.04 and 51,769.68

Calculator

Solution

The fourth proportional to 72,998.16, 100,634.04 and 51,769.68 is: 71,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,998.16 : 100,634.04 = 51,769.68 : x
  2. Step 2: Convert to fraction form
    72,998.16/100,634.04 = 51,769.68/x
  3. Step 3: Cross multiply
    72,998.16x = 100,634.04 × 51,769.68
  4. Step 4: Simplify right side
    72,998.16x = 5,209,792,047.91
  5. Step 5: Solve for x
    x = 5,209,792,047.91/72,998.16
  6. Step 6: Final answer
    x = 71,368.81

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.