Home / 76,871.61-115,238.88-41,352.03

Finding the Fourth Proportional to 76,871.61, 115,238.88 and 41,352.03

Calculator

Solution

The fourth proportional to 76,871.61, 115,238.88 and 41,352.03 is: 61,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,871.61 : 115,238.88 = 41,352.03 : x
  2. Step 2: Convert to fraction form
    76,871.61/115,238.88 = 41,352.03/x
  3. Step 3: Cross multiply
    76,871.61x = 115,238.88 × 41,352.03
  4. Step 4: Simplify right side
    76,871.61x = 4,765,361,622.93
  5. Step 5: Solve for x
    x = 4,765,361,622.93/76,871.61
  6. Step 6: Final answer
    x = 61,991.18

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.