Home / 97,961.49-135,188.46-55,519.11

Finding the Fourth Proportional to 97,961.49, 135,188.46 and 55,519.11

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Solution

The fourth proportional to 97,961.49, 135,188.46 and 55,519.11 is: 76,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,961.49 : 135,188.46 = 55,519.11 : x
  2. Step 2: Convert to fraction form
    97,961.49/135,188.46 = 55,519.11/x
  3. Step 3: Cross multiply
    97,961.49x = 135,188.46 × 55,519.11
  4. Step 4: Simplify right side
    97,961.49x = 7,505,542,981.47
  5. Step 5: Solve for x
    x = 7,505,542,981.47/97,961.49
  6. Step 6: Final answer
    x = 76,617.28

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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.