Home / 57,721.36-86,578.20-22,666.96

Finding the Fourth Proportional to 57,721.36, 86,578.20 and 22,666.96

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Solution

The fourth proportional to 57,721.36, 86,578.20 and 22,666.96 is: 33,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.36 : 86,578.20 = 22,666.96 : x
  2. Step 2: Convert to fraction form
    57,721.36/86,578.20 = 22,666.96/x
  3. Step 3: Cross multiply
    57,721.36x = 86,578.20 × 22,666.96
  4. Step 4: Simplify right side
    57,721.36x = 1,962,464,596.27
  5. Step 5: Solve for x
    x = 1,962,464,596.27/57,721.36
  6. Step 6: Final answer
    x = 33,998.93

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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.