Home / 84,003.09-115,920.81-45,761.88

Finding the Fourth Proportional to 84,003.09, 115,920.81 and 45,761.88

Calculator

Solution

The fourth proportional to 84,003.09, 115,920.81 and 45,761.88 is: 63,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,003.09 : 115,920.81 = 45,761.88 : x
  2. Step 2: Convert to fraction form
    84,003.09/115,920.81 = 45,761.88/x
  3. Step 3: Cross multiply
    84,003.09x = 115,920.81 × 45,761.88
  4. Step 4: Simplify right side
    84,003.09x = 5,304,753,731.52
  5. Step 5: Solve for x
    x = 5,304,753,731.52/84,003.09
  6. Step 6: Final answer
    x = 63,149.51

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.