Home / 79,788.78-110,107.96-43,978.82

Finding the Fourth Proportional to 79,788.78, 110,107.96 and 43,978.82

Calculator

Solution

The fourth proportional to 79,788.78, 110,107.96 and 43,978.82 is: 60,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788.78 : 110,107.96 = 43,978.82 : x
  2. Step 2: Convert to fraction form
    79,788.78/110,107.96 = 43,978.82/x
  3. Step 3: Cross multiply
    79,788.78x = 110,107.96 × 43,978.82
  4. Step 4: Simplify right side
    79,788.78x = 4,842,418,153.41
  5. Step 5: Solve for x
    x = 4,842,418,153.41/79,788.78
  6. Step 6: Final answer
    x = 60,690.46

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.