Home / 80,682.28-120,933.78-60,896.68

Finding the Fourth Proportional to 80,682.28, 120,933.78 and 60,896.68

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Solution

The fourth proportional to 80,682.28, 120,933.78 and 60,896.68 is: 91,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.28 : 120,933.78 = 60,896.68 : x
  2. Step 2: Convert to fraction form
    80,682.28/120,933.78 = 60,896.68/x
  3. Step 3: Cross multiply
    80,682.28x = 120,933.78 × 60,896.68
  4. Step 4: Simplify right side
    80,682.28x = 7,364,465,701.85
  5. Step 5: Solve for x
    x = 7,364,465,701.85/80,682.28
  6. Step 6: Final answer
    x = 91,277.36

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1.5x scale

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.