Home / 107,427.97-161,129.44-28,548.33

Finding the Fourth Proportional to 107,427.97, 161,129.44 and 28,548.33

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Solution

The fourth proportional to 107,427.97, 161,129.44 and 28,548.33 is: 42,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,427.97 : 161,129.44 = 28,548.33 : x
  2. Step 2: Convert to fraction form
    107,427.97/161,129.44 = 28,548.33/x
  3. Step 3: Cross multiply
    107,427.97x = 161,129.44 × 28,548.33
  4. Step 4: Simplify right side
    107,427.97x = 4,599,976,425.84
  5. Step 5: Solve for x
    x = 4,599,976,425.84/107,427.97
  6. Step 6: Final answer
    x = 42,819.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.