Home / 81,717.98-112,772.32-45,422.82

Finding the Fourth Proportional to 81,717.98, 112,772.32 and 45,422.82

Calculator

Solution

The fourth proportional to 81,717.98, 112,772.32 and 45,422.82 is: 62,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717.98 : 112,772.32 = 45,422.82 : x
  2. Step 2: Convert to fraction form
    81,717.98/112,772.32 = 45,422.82/x
  3. Step 3: Cross multiply
    81,717.98x = 112,772.32 × 45,422.82
  4. Step 4: Simplify right side
    81,717.98x = 5,122,436,792.34
  5. Step 5: Solve for x
    x = 5,122,436,792.34/81,717.98
  6. Step 6: Final answer
    x = 62,684.33

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.