Home / 66,105.31-99,197.36-23,988.68

Finding the Fourth Proportional to 66,105.31, 99,197.36 and 23,988.68

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Solution

The fourth proportional to 66,105.31, 99,197.36 and 23,988.68 is: 35,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,105.31 : 99,197.36 = 23,988.68 : x
  2. Step 2: Convert to fraction form
    66,105.31/99,197.36 = 23,988.68/x
  3. Step 3: Cross multiply
    66,105.31x = 99,197.36 × 23,988.68
  4. Step 4: Simplify right side
    66,105.31x = 2,379,613,229.90
  5. Step 5: Solve for x
    x = 2,379,613,229.90/66,105.31
  6. Step 6: Final answer
    x = 35,997.31

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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.