Home / 78,161.40-107,864.74-47,963.41

Finding the Fourth Proportional to 78,161.40, 107,864.74 and 47,963.41

Calculator

Solution

The fourth proportional to 78,161.40, 107,864.74 and 47,963.41 is: 66,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,161.40 : 107,864.74 = 47,963.41 : x
  2. Step 2: Convert to fraction form
    78,161.40/107,864.74 = 47,963.41/x
  3. Step 3: Cross multiply
    78,161.40x = 107,864.74 × 47,963.41
  4. Step 4: Simplify right side
    78,161.40x = 5,173,560,209.84
  5. Step 5: Solve for x
    x = 5,173,560,209.84/78,161.40
  6. Step 6: Final answer
    x = 66,190.73

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.