Home / 80,376.72-110,933.04-76,833.36

Finding the Fourth Proportional to 80,376.72, 110,933.04 and 76,833.36

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Solution

The fourth proportional to 80,376.72, 110,933.04 and 76,833.36 is: 106,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,376.72 : 110,933.04 = 76,833.36 : x
  2. Step 2: Convert to fraction form
    80,376.72/110,933.04 = 76,833.36/x
  3. Step 3: Cross multiply
    80,376.72x = 110,933.04 × 76,833.36
  4. Step 4: Simplify right side
    80,376.72x = 8,523,358,198.21
  5. Step 5: Solve for x
    x = 8,523,358,198.21/80,376.72
  6. Step 6: Final answer
    x = 106,042.62

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1.5x scale

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.