Home / 80,226.24-110,660.88-64,348.80

Finding the Fourth Proportional to 80,226.24, 110,660.88 and 64,348.80

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Solution

The fourth proportional to 80,226.24, 110,660.88 and 64,348.80 is: 88,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,226.24 : 110,660.88 = 64,348.80 : x
  2. Step 2: Convert to fraction form
    80,226.24/110,660.88 = 64,348.80/x
  3. Step 3: Cross multiply
    80,226.24x = 110,660.88 × 64,348.80
  4. Step 4: Simplify right side
    80,226.24x = 7,120,894,834.94
  5. Step 5: Solve for x
    x = 7,120,894,834.94/80,226.24
  6. Step 6: Final answer
    x = 88,760.17

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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.