Home / 117,269.29-161,832.09-63,554.14

Finding the Fourth Proportional to 117,269.29, 161,832.09 and 63,554.14

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Solution

The fourth proportional to 117,269.29, 161,832.09 and 63,554.14 is: 87,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,269.29 : 161,832.09 = 63,554.14 : x
  2. Step 2: Convert to fraction form
    117,269.29/161,832.09 = 63,554.14/x
  3. Step 3: Cross multiply
    117,269.29x = 161,832.09 × 63,554.14
  4. Step 4: Simplify right side
    117,269.29x = 10,285,099,304.35
  5. Step 5: Solve for x
    x = 10,285,099,304.35/117,269.29
  6. Step 6: Final answer
    x = 87,704.97

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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.