Home / 71,383.02-107,089.56-27,008.80

Finding the Fourth Proportional to 71,383.02, 107,089.56 and 27,008.80

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Solution

The fourth proportional to 71,383.02, 107,089.56 and 27,008.80 is: 40,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383.02 : 107,089.56 = 27,008.80 : x
  2. Step 2: Convert to fraction form
    71,383.02/107,089.56 = 27,008.80/x
  3. Step 3: Cross multiply
    71,383.02x = 107,089.56 × 27,008.80
  4. Step 4: Simplify right side
    71,383.02x = 2,892,360,508.13
  5. Step 5: Solve for x
    x = 2,892,360,508.13/71,383.02
  6. Step 6: Final answer
    x = 40,518.89

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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.