Home / 77,843.03-116,764.49-55,699.65

Finding the Fourth Proportional to 77,843.03, 116,764.49 and 55,699.65

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Solution

The fourth proportional to 77,843.03, 116,764.49 and 55,699.65 is: 83,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,843.03 : 116,764.49 = 55,699.65 : x
  2. Step 2: Convert to fraction form
    77,843.03/116,764.49 = 55,699.65/x
  3. Step 3: Cross multiply
    77,843.03x = 116,764.49 × 55,699.65
  4. Step 4: Simplify right side
    77,843.03x = 6,503,741,364.68
  5. Step 5: Solve for x
    x = 6,503,741,364.68/77,843.03
  6. Step 6: Final answer
    x = 83,549.44

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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.