Home / 81,567.11-122,327.16-22,404.71

Finding the Fourth Proportional to 81,567.11, 122,327.16 and 22,404.71

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Solution

The fourth proportional to 81,567.11, 122,327.16 and 22,404.71 is: 33,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,567.11 : 122,327.16 = 22,404.71 : x
  2. Step 2: Convert to fraction form
    81,567.11/122,327.16 = 22,404.71/x
  3. Step 3: Cross multiply
    81,567.11x = 122,327.16 × 22,404.71
  4. Step 4: Simplify right side
    81,567.11x = 2,740,704,544.92
  5. Step 5: Solve for x
    x = 2,740,704,544.92/81,567.11
  6. Step 6: Final answer
    x = 33,600.61

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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.