Home / 84,025.80-126,087.30-31,440.60

Finding the Fourth Proportional to 84,025.80, 126,087.30 and 31,440.60

Calculator

Solution

The fourth proportional to 84,025.80, 126,087.30 and 31,440.60 is: 47,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,025.80 : 126,087.30 = 31,440.60 : x
  2. Step 2: Convert to fraction form
    84,025.80/126,087.30 = 31,440.60/x
  3. Step 3: Cross multiply
    84,025.80x = 126,087.30 × 31,440.60
  4. Step 4: Simplify right side
    84,025.80x = 3,964,260,364.38
  5. Step 5: Solve for x
    x = 3,964,260,364.38/84,025.80
  6. Step 6: Final answer
    x = 47,179.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.