Home / 99,496.20-137,304.52-54,173.48

Finding the Fourth Proportional to 99,496.20, 137,304.52 and 54,173.48

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Solution

The fourth proportional to 99,496.20, 137,304.52 and 54,173.48 is: 74,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496.20 : 137,304.52 = 54,173.48 : x
  2. Step 2: Convert to fraction form
    99,496.20/137,304.52 = 54,173.48/x
  3. Step 3: Cross multiply
    99,496.20x = 137,304.52 × 54,173.48
  4. Step 4: Simplify right side
    99,496.20x = 7,438,263,668.13
  5. Step 5: Solve for x
    x = 7,438,263,668.13/99,496.20
  6. Step 6: Final answer
    x = 74,759.27

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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.