Home / 115,609.92-173,233.44-68,837.28

Finding the Fourth Proportional to 115,609.92, 173,233.44 and 68,837.28

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Solution

The fourth proportional to 115,609.92, 173,233.44 and 68,837.28 is: 103,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.92 : 173,233.44 = 68,837.28 : x
  2. Step 2: Convert to fraction form
    115,609.92/173,233.44 = 68,837.28/x
  3. Step 3: Cross multiply
    115,609.92x = 173,233.44 × 68,837.28
  4. Step 4: Simplify right side
    115,609.92x = 11,924,918,814.64
  5. Step 5: Solve for x
    x = 11,924,918,814.64/115,609.92
  6. Step 6: Final answer
    x = 103,147.89

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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.