Home / 76,972.60-107,499.20-76,972.60

Finding the Fourth Proportional to 76,972.60, 107,499.20 and 76,972.60

Calculator

Solution

The fourth proportional to 76,972.60, 107,499.20 and 76,972.60 is: 107,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,972.60 : 107,499.20 = 76,972.60 : x
  2. Step 2: Convert to fraction form
    76,972.60/107,499.20 = 76,972.60/x
  3. Step 3: Cross multiply
    76,972.60x = 107,499.20 × 76,972.60
  4. Step 4: Simplify right side
    76,972.60x = 8,274,492,921.92
  5. Step 5: Solve for x
    x = 8,274,492,921.92/76,972.60
  6. Step 6: Final answer
    x = 107,499.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.