Home / 97,909.56-135,127.44-55,481.76

Finding the Fourth Proportional to 97,909.56, 135,127.44 and 55,481.76

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Solution

The fourth proportional to 97,909.56, 135,127.44 and 55,481.76 is: 76,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,909.56 : 135,127.44 = 55,481.76 : x
  2. Step 2: Convert to fraction form
    97,909.56/135,127.44 = 55,481.76/x
  3. Step 3: Cross multiply
    97,909.56x = 135,127.44 × 55,481.76
  4. Step 4: Simplify right side
    97,909.56x = 7,497,108,195.49
  5. Step 5: Solve for x
    x = 7,497,108,195.49/97,909.56
  6. Step 6: Final answer
    x = 76,571.77

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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.