Home / 117,245.58-161,799.09-63,531.06

Finding the Fourth Proportional to 117,245.58, 161,799.09 and 63,531.06

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Solution

The fourth proportional to 117,245.58, 161,799.09 and 63,531.06 is: 87,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.58 : 161,799.09 = 63,531.06 : x
  2. Step 2: Convert to fraction form
    117,245.58/161,799.09 = 63,531.06/x
  3. Step 3: Cross multiply
    117,245.58x = 161,799.09 × 63,531.06
  4. Step 4: Simplify right side
    117,245.58x = 10,279,267,694.74
  5. Step 5: Solve for x
    x = 10,279,267,694.74/117,245.58
  6. Step 6: Final answer
    x = 87,672.97

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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.