Home / 78,720.76-108,630.54-44,724.53

Finding the Fourth Proportional to 78,720.76, 108,630.54 and 44,724.53

Calculator

Solution

The fourth proportional to 78,720.76, 108,630.54 and 44,724.53 is: 61,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,720.76 : 108,630.54 = 44,724.53 : x
  2. Step 2: Convert to fraction form
    78,720.76/108,630.54 = 44,724.53/x
  3. Step 3: Cross multiply
    78,720.76x = 108,630.54 × 44,724.53
  4. Step 4: Simplify right side
    78,720.76x = 4,858,449,956.96
  5. Step 5: Solve for x
    x = 4,858,449,956.96/78,720.76
  6. Step 6: Final answer
    x = 61,717.52

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.