Home / 57,443.05-86,167.28-18,001.45

Finding the Fourth Proportional to 57,443.05, 86,167.28 and 18,001.45

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Solution

The fourth proportional to 57,443.05, 86,167.28 and 18,001.45 is: 27,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443.05 : 86,167.28 = 18,001.45 : x
  2. Step 2: Convert to fraction form
    57,443.05/86,167.28 = 18,001.45/x
  3. Step 3: Cross multiply
    57,443.05x = 86,167.28 × 18,001.45
  4. Step 4: Simplify right side
    57,443.05x = 1,551,135,892.55
  5. Step 5: Solve for x
    x = 1,551,135,892.55/57,443.05
  6. Step 6: Final answer
    x = 27,003.02

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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.