Home / 82,019.14-112,448.21-80,524.45

Finding the Fourth Proportional to 82,019.14, 112,448.21 and 80,524.45

Calculator

Solution

The fourth proportional to 82,019.14, 112,448.21 and 80,524.45 is: 110,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,019.14 : 112,448.21 = 80,524.45 : x
  2. Step 2: Convert to fraction form
    82,019.14/112,448.21 = 80,524.45/x
  3. Step 3: Cross multiply
    82,019.14x = 112,448.21 × 80,524.45
  4. Step 4: Simplify right side
    82,019.14x = 9,054,830,263.73
  5. Step 5: Solve for x
    x = 9,054,830,263.73/82,019.14
  6. Step 6: Final answer
    x = 110,398.99

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.