Home / 99,736.53-137,633.42-54,415.41

Finding the Fourth Proportional to 99,736.53, 137,633.42 and 54,415.41

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Solution

The fourth proportional to 99,736.53, 137,633.42 and 54,415.41 is: 75,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,736.53 : 137,633.42 = 54,415.41 : x
  2. Step 2: Convert to fraction form
    99,736.53/137,633.42 = 54,415.41/x
  3. Step 3: Cross multiply
    99,736.53x = 137,633.42 × 54,415.41
  4. Step 4: Simplify right side
    99,736.53x = 7,489,378,979.00
  5. Step 5: Solve for x
    x = 7,489,378,979.00/99,736.53
  6. Step 6: Final answer
    x = 75,091.63

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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.