Home / 101,027.82-139,408.86-58,581.75

Finding the Fourth Proportional to 101,027.82, 139,408.86 and 58,581.75

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Solution

The fourth proportional to 101,027.82, 139,408.86 and 58,581.75 is: 80,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,027.82 : 139,408.86 = 58,581.75 : x
  2. Step 2: Convert to fraction form
    101,027.82/139,408.86 = 58,581.75/x
  3. Step 3: Cross multiply
    101,027.82x = 139,408.86 × 58,581.75
  4. Step 4: Simplify right side
    101,027.82x = 8,166,814,984.31
  5. Step 5: Solve for x
    x = 8,166,814,984.31/101,027.82
  6. Step 6: Final answer
    x = 80,837.29

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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.