Home / 73,115.35-109,683.47-22,518.65

Finding the Fourth Proportional to 73,115.35, 109,683.47 and 22,518.65

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Solution

The fourth proportional to 73,115.35, 109,683.47 and 22,518.65 is: 33,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,115.35 : 109,683.47 = 22,518.65 : x
  2. Step 2: Convert to fraction form
    73,115.35/109,683.47 = 22,518.65/x
  3. Step 3: Cross multiply
    73,115.35x = 109,683.47 × 22,518.65
  4. Step 4: Simplify right side
    73,115.35x = 2,469,924,002.22
  5. Step 5: Solve for x
    x = 2,469,924,002.22/73,115.35
  6. Step 6: Final answer
    x = 33,781.20

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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.