Home / 66,553.18-99,796.05-22,164.37

Finding the Fourth Proportional to 66,553.18, 99,796.05 and 22,164.37

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Solution

The fourth proportional to 66,553.18, 99,796.05 and 22,164.37 is: 33,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,553.18 : 99,796.05 = 22,164.37 : x
  2. Step 2: Convert to fraction form
    66,553.18/99,796.05 = 22,164.37/x
  3. Step 3: Cross multiply
    66,553.18x = 99,796.05 × 22,164.37
  4. Step 4: Simplify right side
    66,553.18x = 2,211,916,327.25
  5. Step 5: Solve for x
    x = 2,211,916,327.25/66,553.18
  6. Step 6: Final answer
    x = 33,235.32

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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.