Home / 92,572.43-138,865.13-45,812.75

Finding the Fourth Proportional to 92,572.43, 138,865.13 and 45,812.75

Calculator

Solution

The fourth proportional to 92,572.43, 138,865.13 and 45,812.75 is: 68,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,572.43 : 138,865.13 = 45,812.75 : x
  2. Step 2: Convert to fraction form
    92,572.43/138,865.13 = 45,812.75/x
  3. Step 3: Cross multiply
    92,572.43x = 138,865.13 × 45,812.75
  4. Step 4: Simplify right side
    92,572.43x = 6,361,793,255.34
  5. Step 5: Solve for x
    x = 6,361,793,255.34/92,572.43
  6. Step 6: Final answer
    x = 68,722.33

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.