Home / 78,850.43-108,816.17-43,042.35

Finding the Fourth Proportional to 78,850.43, 108,816.17 and 43,042.35

Calculator

Solution

The fourth proportional to 78,850.43, 108,816.17 and 43,042.35 is: 59,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,850.43 : 108,816.17 = 43,042.35 : x
  2. Step 2: Convert to fraction form
    78,850.43/108,816.17 = 43,042.35/x
  3. Step 3: Cross multiply
    78,850.43x = 108,816.17 × 43,042.35
  4. Step 4: Simplify right side
    78,850.43x = 4,683,703,459.59
  5. Step 5: Solve for x
    x = 4,683,703,459.59/78,850.43
  6. Step 6: Final answer
    x = 59,399.85

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.