Home / 117,169.33-161,692.82-63,453.10

Finding the Fourth Proportional to 117,169.33, 161,692.82 and 63,453.10

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Solution

The fourth proportional to 117,169.33, 161,692.82 and 63,453.10 is: 87,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,169.33 : 161,692.82 = 63,453.10 : x
  2. Step 2: Convert to fraction form
    117,169.33/161,692.82 = 63,453.10/x
  3. Step 3: Cross multiply
    117,169.33x = 161,692.82 × 63,453.10
  4. Step 4: Simplify right side
    117,169.33x = 10,259,910,676.74
  5. Step 5: Solve for x
    x = 10,259,910,676.74/117,169.33
  6. Step 6: Final answer
    x = 87,564.81

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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.