Home / 83,211-114,831.90-45,485.28

Finding the Fourth Proportional to 83,211, 114,831.90 and 45,485.28

Calculator

Solution

The fourth proportional to 83,211, 114,831.90 and 45,485.28 is: 62,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211 : 114,831.90 = 45,485.28 : x
  2. Step 2: Convert to fraction form
    83,211/114,831.90 = 45,485.28/x
  3. Step 3: Cross multiply
    83,211x = 114,831.90 × 45,485.28
  4. Step 4: Simplify right side
    83,211x = 5,223,161,124.43
  5. Step 5: Solve for x
    x = 5,223,161,124.43/83,211
  6. Step 6: Final answer
    x = 62,770.08

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.