Home / 115,743.60-173,631.60-49,183.20

Finding the Fourth Proportional to 115,743.60, 173,631.60 and 49,183.20

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Solution

The fourth proportional to 115,743.60, 173,631.60 and 49,183.20 is: 73,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743.60 : 173,631.60 = 49,183.20 : x
  2. Step 2: Convert to fraction form
    115,743.60/173,631.60 = 49,183.20/x
  3. Step 3: Cross multiply
    115,743.60x = 173,631.60 × 49,183.20
  4. Step 4: Simplify right side
    115,743.60x = 8,539,757,709.12
  5. Step 5: Solve for x
    x = 8,539,757,709.12/115,743.60
  6. Step 6: Final answer
    x = 73,781.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.