Home / 99,524.58-137,344.04-54,202.64

Finding the Fourth Proportional to 99,524.58, 137,344.04 and 54,202.64

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Solution

The fourth proportional to 99,524.58, 137,344.04 and 54,202.64 is: 74,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,524.58 : 137,344.04 = 54,202.64 : x
  2. Step 2: Convert to fraction form
    99,524.58/137,344.04 = 54,202.64/x
  3. Step 3: Cross multiply
    99,524.58x = 137,344.04 × 54,202.64
  4. Step 4: Simplify right side
    99,524.58x = 7,444,409,556.27
  5. Step 5: Solve for x
    x = 7,444,409,556.27/99,524.58
  6. Step 6: Final answer
    x = 74,799.71

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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.