Home / 99,936.36-137,910.48-54,613.36

Finding the Fourth Proportional to 99,936.36, 137,910.48 and 54,613.36

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Solution

The fourth proportional to 99,936.36, 137,910.48 and 54,613.36 is: 75,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,936.36 : 137,910.48 = 54,613.36 : x
  2. Step 2: Convert to fraction form
    99,936.36/137,910.48 = 54,613.36/x
  3. Step 3: Cross multiply
    99,936.36x = 137,910.48 × 54,613.36
  4. Step 4: Simplify right side
    99,936.36x = 7,531,754,692.01
  5. Step 5: Solve for x
    x = 7,531,754,692.01/99,936.36
  6. Step 6: Final answer
    x = 75,365.51

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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.