Home / 122,971.82-184,464.38-38,738.61

Finding the Fourth Proportional to 122,971.82, 184,464.38 and 38,738.61

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Solution

The fourth proportional to 122,971.82, 184,464.38 and 38,738.61 is: 58,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,971.82 : 184,464.38 = 38,738.61 : x
  2. Step 2: Convert to fraction form
    122,971.82/184,464.38 = 38,738.61/x
  3. Step 3: Cross multiply
    122,971.82x = 184,464.38 × 38,738.61
  4. Step 4: Simplify right side
    122,971.82x = 7,145,893,772.56
  5. Step 5: Solve for x
    x = 7,145,893,772.56/122,971.82
  6. Step 6: Final answer
    x = 58,110.01

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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.