Home / 104,131.72-156,092.40-40,996.14

Finding the Fourth Proportional to 104,131.72, 156,092.40 and 40,996.14

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Solution

The fourth proportional to 104,131.72, 156,092.40 and 40,996.14 is: 61,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,131.72 : 156,092.40 = 40,996.14 : x
  2. Step 2: Convert to fraction form
    104,131.72/156,092.40 = 40,996.14/x
  3. Step 3: Cross multiply
    104,131.72x = 156,092.40 × 40,996.14
  4. Step 4: Simplify right side
    104,131.72x = 6,399,185,883.34
  5. Step 5: Solve for x
    x = 6,399,185,883.34/104,131.72
  6. Step 6: Final answer
    x = 61,452.80

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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.