Home / 77,716.72-116,590.20-27,800.56

Finding the Fourth Proportional to 77,716.72, 116,590.20 and 27,800.56

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Solution

The fourth proportional to 77,716.72, 116,590.20 and 27,800.56 is: 41,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,716.72 : 116,590.20 = 27,800.56 : x
  2. Step 2: Convert to fraction form
    77,716.72/116,590.20 = 27,800.56/x
  3. Step 3: Cross multiply
    77,716.72x = 116,590.20 × 27,800.56
  4. Step 4: Simplify right side
    77,716.72x = 3,241,272,850.51
  5. Step 5: Solve for x
    x = 3,241,272,850.51/77,716.72
  6. Step 6: Final answer
    x = 41,706.25

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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.