Home / 81,769.44-112,852.26-49,931.64

Finding the Fourth Proportional to 81,769.44, 112,852.26 and 49,931.64

Calculator

Solution

The fourth proportional to 81,769.44, 112,852.26 and 49,931.64 is: 68,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,769.44 : 112,852.26 = 49,931.64 : x
  2. Step 2: Convert to fraction form
    81,769.44/112,852.26 = 49,931.64/x
  3. Step 3: Cross multiply
    81,769.44x = 112,852.26 × 49,931.64
  4. Step 4: Simplify right side
    81,769.44x = 5,634,898,419.51
  5. Step 5: Solve for x
    x = 5,634,898,419.51/81,769.44
  6. Step 6: Final answer
    x = 68,912.03

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.