Home / 78,956.48-108,959.31-43,145.84

Finding the Fourth Proportional to 78,956.48, 108,959.31 and 43,145.84

Calculator

Solution

The fourth proportional to 78,956.48, 108,959.31 and 43,145.84 is: 59,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,956.48 : 108,959.31 = 43,145.84 : x
  2. Step 2: Convert to fraction form
    78,956.48/108,959.31 = 43,145.84/x
  3. Step 3: Cross multiply
    78,956.48x = 108,959.31 × 43,145.84
  4. Step 4: Simplify right side
    78,956.48x = 4,701,141,228.17
  5. Step 5: Solve for x
    x = 4,701,141,228.17/78,956.48
  6. Step 6: Final answer
    x = 59,540.92

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.