Home / 55,920.57-83,910.01-22,665.21

Finding the Fourth Proportional to 55,920.57, 83,910.01 and 22,665.21

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Solution

The fourth proportional to 55,920.57, 83,910.01 and 22,665.21 is: 34,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920.57 : 83,910.01 = 22,665.21 : x
  2. Step 2: Convert to fraction form
    55,920.57/83,910.01 = 22,665.21/x
  3. Step 3: Cross multiply
    55,920.57x = 83,910.01 × 22,665.21
  4. Step 4: Simplify right side
    55,920.57x = 1,901,837,997.75
  5. Step 5: Solve for x
    x = 1,901,837,997.75/55,920.57
  6. Step 6: Final answer
    x = 34,009.63

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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.