Home / 83,626.28-115,403.91-45,899.72

Finding the Fourth Proportional to 83,626.28, 115,403.91 and 45,899.72

Calculator

Solution

The fourth proportional to 83,626.28, 115,403.91 and 45,899.72 is: 63,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,626.28 : 115,403.91 = 45,899.72 : x
  2. Step 2: Convert to fraction form
    83,626.28/115,403.91 = 45,899.72/x
  3. Step 3: Cross multiply
    83,626.28x = 115,403.91 × 45,899.72
  4. Step 4: Simplify right side
    83,626.28x = 5,297,007,155.91
  5. Step 5: Solve for x
    x = 5,297,007,155.91/83,626.28
  6. Step 6: Final answer
    x = 63,341.42

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.