Home / 85,664.22-118,214.78-47,421.56

Finding the Fourth Proportional to 85,664.22, 118,214.78 and 47,421.56

Calculator

Solution

The fourth proportional to 85,664.22, 118,214.78 and 47,421.56 is: 65,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,664.22 : 118,214.78 = 47,421.56 : x
  2. Step 2: Convert to fraction form
    85,664.22/118,214.78 = 47,421.56/x
  3. Step 3: Cross multiply
    85,664.22x = 118,214.78 × 47,421.56
  4. Step 4: Simplify right side
    85,664.22x = 5,605,929,282.66
  5. Step 5: Solve for x
    x = 5,605,929,282.66/85,664.22
  6. Step 6: Final answer
    x = 65,440.73

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.