Home / 84,891.29-117,164.41-49,103.06

Finding the Fourth Proportional to 84,891.29, 117,164.41 and 49,103.06

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Solution

The fourth proportional to 84,891.29, 117,164.41 and 49,103.06 is: 67,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891.29 : 117,164.41 = 49,103.06 : x
  2. Step 2: Convert to fraction form
    84,891.29/117,164.41 = 49,103.06/x
  3. Step 3: Cross multiply
    84,891.29x = 117,164.41 × 49,103.06
  4. Step 4: Simplify right side
    84,891.29x = 5,753,130,345.51
  5. Step 5: Solve for x
    x = 5,753,130,345.51/84,891.29
  6. Step 6: Final answer
    x = 67,770.56

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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.