Home / 77,456.28-116,161.14-27,529.80

Finding the Fourth Proportional to 77,456.28, 116,161.14 and 27,529.80

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Solution

The fourth proportional to 77,456.28, 116,161.14 and 27,529.80 is: 41,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,456.28 : 116,161.14 = 27,529.80 : x
  2. Step 2: Convert to fraction form
    77,456.28/116,161.14 = 27,529.80/x
  3. Step 3: Cross multiply
    77,456.28x = 116,161.14 × 27,529.80
  4. Step 4: Simplify right side
    77,456.28x = 3,197,892,951.97
  5. Step 5: Solve for x
    x = 3,197,892,951.97/77,456.28
  6. Step 6: Final answer
    x = 41,286.43

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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.