Home / 73,327.79-109,988.03-40,112.73

Finding the Fourth Proportional to 73,327.79, 109,988.03 and 40,112.73

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Solution

The fourth proportional to 73,327.79, 109,988.03 and 40,112.73 is: 60,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,327.79 : 109,988.03 = 40,112.73 : x
  2. Step 2: Convert to fraction form
    73,327.79/109,988.03 = 40,112.73/x
  3. Step 3: Cross multiply
    73,327.79x = 109,988.03 × 40,112.73
  4. Step 4: Simplify right side
    73,327.79x = 4,411,919,600.68
  5. Step 5: Solve for x
    x = 4,411,919,600.68/73,327.79
  6. Step 6: Final answer
    x = 60,167.09

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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.