Home / 99,864.26-137,811.94-54,542.24

Finding the Fourth Proportional to 99,864.26, 137,811.94 and 54,542.24

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Solution

The fourth proportional to 99,864.26, 137,811.94 and 54,542.24 is: 75,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,864.26 : 137,811.94 = 54,542.24 : x
  2. Step 2: Convert to fraction form
    99,864.26/137,811.94 = 54,542.24/x
  3. Step 3: Cross multiply
    99,864.26x = 137,811.94 × 54,542.24
  4. Step 4: Simplify right side
    99,864.26x = 7,516,571,906.35
  5. Step 5: Solve for x
    x = 7,516,571,906.35/99,864.26
  6. Step 6: Final answer
    x = 75,267.89

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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.