Home / 74,018.75-111,027.09-17,858.37

Finding the Fourth Proportional to 74,018.75, 111,027.09 and 17,858.37

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Solution

The fourth proportional to 74,018.75, 111,027.09 and 17,858.37 is: 26,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,018.75 : 111,027.09 = 17,858.37 : x
  2. Step 2: Convert to fraction form
    74,018.75/111,027.09 = 17,858.37/x
  3. Step 3: Cross multiply
    74,018.75x = 111,027.09 × 17,858.37
  4. Step 4: Simplify right side
    74,018.75x = 1,982,762,853.24
  5. Step 5: Solve for x
    x = 1,982,762,853.24/74,018.75
  6. Step 6: Final answer
    x = 26,787.31

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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.