Home / 117,231.60-161,761.33-69,477.24

Finding the Fourth Proportional to 117,231.60, 161,761.33 and 69,477.24

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Solution

The fourth proportional to 117,231.60, 161,761.33 and 69,477.24 is: 95,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,231.60 : 161,761.33 = 69,477.24 : x
  2. Step 2: Convert to fraction form
    117,231.60/161,761.33 = 69,477.24/x
  3. Step 3: Cross multiply
    117,231.60x = 161,761.33 × 69,477.24
  4. Step 4: Simplify right side
    117,231.60x = 11,238,729,764.63
  5. Step 5: Solve for x
    x = 11,238,729,764.63/117,231.60
  6. Step 6: Final answer
    x = 95,867.75

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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.