Home / 97,954.74-135,179.15-55,512.36

Finding the Fourth Proportional to 97,954.74, 135,179.15 and 55,512.36

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Solution

The fourth proportional to 97,954.74, 135,179.15 and 55,512.36 is: 76,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,954.74 : 135,179.15 = 55,512.36 : x
  2. Step 2: Convert to fraction form
    97,954.74/135,179.15 = 55,512.36/x
  3. Step 3: Cross multiply
    97,954.74x = 135,179.15 × 55,512.36
  4. Step 4: Simplify right side
    97,954.74x = 7,504,113,361.73
  5. Step 5: Solve for x
    x = 7,504,113,361.73/97,954.74
  6. Step 6: Final answer
    x = 76,607.97

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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.