Home / 84,839.54-117,071.73-49,031.87

Finding the Fourth Proportional to 84,839.54, 117,071.73 and 49,031.87

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Solution

The fourth proportional to 84,839.54, 117,071.73 and 49,031.87 is: 67,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.54 : 117,071.73 = 49,031.87 : x
  2. Step 2: Convert to fraction form
    84,839.54/117,071.73 = 49,031.87/x
  3. Step 3: Cross multiply
    84,839.54x = 117,071.73 × 49,031.87
  4. Step 4: Simplify right side
    84,839.54x = 5,740,245,260.68
  5. Step 5: Solve for x
    x = 5,740,245,260.68/84,839.54
  6. Step 6: Final answer
    x = 67,660.03

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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.