Home / 83,611-115,383.36-45,885.16

Finding the Fourth Proportional to 83,611, 115,383.36 and 45,885.16

Calculator

Solution

The fourth proportional to 83,611, 115,383.36 and 45,885.16 is: 63,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611 : 115,383.36 = 45,885.16 : x
  2. Step 2: Convert to fraction form
    83,611/115,383.36 = 45,885.16/x
  3. Step 3: Cross multiply
    83,611x = 115,383.36 × 45,885.16
  4. Step 4: Simplify right side
    83,611x = 5,294,383,934.94
  5. Step 5: Solve for x
    x = 5,294,383,934.94/83,611
  6. Step 6: Final answer
    x = 63,321.62

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.