Home / 84,905.48-117,162.72-49,097.84

Finding the Fourth Proportional to 84,905.48, 117,162.72 and 49,097.84

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Solution

The fourth proportional to 84,905.48, 117,162.72 and 49,097.84 is: 67,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,905.48 : 117,162.72 = 49,097.84 : x
  2. Step 2: Convert to fraction form
    84,905.48/117,162.72 = 49,097.84/x
  3. Step 3: Cross multiply
    84,905.48x = 117,162.72 × 49,097.84
  4. Step 4: Simplify right side
    84,905.48x = 5,752,436,480.52
  5. Step 5: Solve for x
    x = 5,752,436,480.52/84,905.48
  6. Step 6: Final answer
    x = 67,751.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.