Home / 58,667.43-81,027.87-39,771.75

Finding the Fourth Proportional to 58,667.43, 81,027.87 and 39,771.75

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Solution

The fourth proportional to 58,667.43, 81,027.87 and 39,771.75 is: 54,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,667.43 : 81,027.87 = 39,771.75 : x
  2. Step 2: Convert to fraction form
    58,667.43/81,027.87 = 39,771.75/x
  3. Step 3: Cross multiply
    58,667.43x = 81,027.87 × 39,771.75
  4. Step 4: Simplify right side
    58,667.43x = 3,222,620,188.67
  5. Step 5: Solve for x
    x = 3,222,620,188.67/58,667.43
  6. Step 6: Final answer
    x = 54,930.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.