Home / 57,720.36-86,576.70-22,665.96

Finding the Fourth Proportional to 57,720.36, 86,576.70 and 22,665.96

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Solution

The fourth proportional to 57,720.36, 86,576.70 and 22,665.96 is: 33,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.36 : 86,576.70 = 22,665.96 : x
  2. Step 2: Convert to fraction form
    57,720.36/86,576.70 = 22,665.96/x
  3. Step 3: Cross multiply
    57,720.36x = 86,576.70 × 22,665.96
  4. Step 4: Simplify right side
    57,720.36x = 1,962,344,019.13
  5. Step 5: Solve for x
    x = 1,962,344,019.13/57,720.36
  6. Step 6: Final answer
    x = 33,997.43

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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.