Home / 99,410.86-137,183.52-54,087.58

Finding the Fourth Proportional to 99,410.86, 137,183.52 and 54,087.58

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Solution

The fourth proportional to 99,410.86, 137,183.52 and 54,087.58 is: 74,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.86 : 137,183.52 = 54,087.58 : x
  2. Step 2: Convert to fraction form
    99,410.86/137,183.52 = 54,087.58/x
  3. Step 3: Cross multiply
    99,410.86x = 137,183.52 × 54,087.58
  4. Step 4: Simplify right side
    99,410.86x = 7,419,924,612.68
  5. Step 5: Solve for x
    x = 7,419,924,612.68/99,410.86
  6. Step 6: Final answer
    x = 74,638.97

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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.