Home / 117,278.33-161,844.35-63,563.33

Finding the Fourth Proportional to 117,278.33, 161,844.35 and 63,563.33

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Solution

The fourth proportional to 117,278.33, 161,844.35 and 63,563.33 is: 87,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,278.33 : 161,844.35 = 63,563.33 : x
  2. Step 2: Convert to fraction form
    117,278.33/161,844.35 = 63,563.33/x
  3. Step 3: Cross multiply
    117,278.33x = 161,844.35 × 63,563.33
  4. Step 4: Simplify right side
    117,278.33x = 10,287,366,450.80
  5. Step 5: Solve for x
    x = 10,287,366,450.80/117,278.33
  6. Step 6: Final answer
    x = 87,717.54

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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.