Home / 83,411.82-115,136.34-50,706.09

Finding the Fourth Proportional to 83,411.82, 115,136.34 and 50,706.09

Calculator

Solution

The fourth proportional to 83,411.82, 115,136.34 and 50,706.09 is: 69,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.82 : 115,136.34 = 50,706.09 : x
  2. Step 2: Convert to fraction form
    83,411.82/115,136.34 = 50,706.09/x
  3. Step 3: Cross multiply
    83,411.82x = 115,136.34 × 50,706.09
  4. Step 4: Simplify right side
    83,411.82x = 5,838,113,618.31
  5. Step 5: Solve for x
    x = 5,838,113,618.31/83,411.82
  6. Step 6: Final answer
    x = 69,991.44

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.