Home / 107,920.95-161,789.12-41,408.82

Finding the Fourth Proportional to 107,920.95, 161,789.12 and 41,408.82

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Solution

The fourth proportional to 107,920.95, 161,789.12 and 41,408.82 is: 62,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,920.95 : 161,789.12 = 41,408.82 : x
  2. Step 2: Convert to fraction form
    107,920.95/161,789.12 = 41,408.82/x
  3. Step 3: Cross multiply
    107,920.95x = 161,789.12 × 41,408.82
  4. Step 4: Simplify right side
    107,920.95x = 6,699,496,548.04
  5. Step 5: Solve for x
    x = 6,699,496,548.04/107,920.95
  6. Step 6: Final answer
    x = 62,077.81

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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.