Home / 77,725.14-116,559.15-27,791.70

Finding the Fourth Proportional to 77,725.14, 116,559.15 and 27,791.70

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Solution

The fourth proportional to 77,725.14, 116,559.15 and 27,791.70 is: 41,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725.14 : 116,559.15 = 27,791.70 : x
  2. Step 2: Convert to fraction form
    77,725.14/116,559.15 = 27,791.70/x
  3. Step 3: Cross multiply
    77,725.14x = 116,559.15 × 27,791.70
  4. Step 4: Simplify right side
    77,725.14x = 3,239,376,929.06
  5. Step 5: Solve for x
    x = 3,239,376,929.06/77,725.14
  6. Step 6: Final answer
    x = 41,677.34

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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.