Home / 117,167.30-161,690.07-63,451.09

Finding the Fourth Proportional to 117,167.30, 161,690.07 and 63,451.09

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Solution

The fourth proportional to 117,167.30, 161,690.07 and 63,451.09 is: 87,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,167.30 : 161,690.07 = 63,451.09 : x
  2. Step 2: Convert to fraction form
    117,167.30/161,690.07 = 63,451.09/x
  3. Step 3: Cross multiply
    117,167.30x = 161,690.07 × 63,451.09
  4. Step 4: Simplify right side
    117,167.30x = 10,259,410,238.34
  5. Step 5: Solve for x
    x = 10,259,410,238.34/117,167.30
  6. Step 6: Final answer
    x = 87,562.06

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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.