Home / 99,844.08-137,786.52-54,524.40

Finding the Fourth Proportional to 99,844.08, 137,786.52 and 54,524.40

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Solution

The fourth proportional to 99,844.08, 137,786.52 and 54,524.40 is: 75,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,844.08 : 137,786.52 = 54,524.40 : x
  2. Step 2: Convert to fraction form
    99,844.08/137,786.52 = 54,524.40/x
  3. Step 3: Cross multiply
    99,844.08x = 137,786.52 × 54,524.40
  4. Step 4: Simplify right side
    99,844.08x = 7,512,727,331.09
  5. Step 5: Solve for x
    x = 7,512,727,331.09/99,844.08
  6. Step 6: Final answer
    x = 75,244.59

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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.