Home / 117,974.78-162,805.53-70,227.71

Finding the Fourth Proportional to 117,974.78, 162,805.53 and 70,227.71

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Solution

The fourth proportional to 117,974.78, 162,805.53 and 70,227.71 is: 96,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,974.78 : 162,805.53 = 70,227.71 : x
  2. Step 2: Convert to fraction form
    117,974.78/162,805.53 = 70,227.71/x
  3. Step 3: Cross multiply
    117,974.78x = 162,805.53 × 70,227.71
  4. Step 4: Simplify right side
    117,974.78x = 11,433,458,382.07
  5. Step 5: Solve for x
    x = 11,433,458,382.07/117,974.78
  6. Step 6: Final answer
    x = 96,914.43

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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.