Home / 77,786.71-116,704.28-27,867.23

Finding the Fourth Proportional to 77,786.71, 116,704.28 and 27,867.23

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Solution

The fourth proportional to 77,786.71, 116,704.28 and 27,867.23 is: 41,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,786.71 : 116,704.28 = 27,867.23 : x
  2. Step 2: Convert to fraction form
    77,786.71/116,704.28 = 27,867.23/x
  3. Step 3: Cross multiply
    77,786.71x = 116,704.28 × 27,867.23
  4. Step 4: Simplify right side
    77,786.71x = 3,252,225,012.74
  5. Step 5: Solve for x
    x = 3,252,225,012.74/77,786.71
  6. Step 6: Final answer
    x = 41,809.52

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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.