Home / 77,279.14-115,874.25-41,211.10

Finding the Fourth Proportional to 77,279.14, 115,874.25 and 41,211.10

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Solution

The fourth proportional to 77,279.14, 115,874.25 and 41,211.10 is: 61,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,279.14 : 115,874.25 = 41,211.10 : x
  2. Step 2: Convert to fraction form
    77,279.14/115,874.25 = 41,211.10/x
  3. Step 3: Cross multiply
    77,279.14x = 115,874.25 × 41,211.10
  4. Step 4: Simplify right side
    77,279.14x = 4,775,305,304.18
  5. Step 5: Solve for x
    x = 4,775,305,304.18/77,279.14
  6. Step 6: Final answer
    x = 61,792.94

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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.