Home / 87,629.95-131,475.45-27,667.68

Finding the Fourth Proportional to 87,629.95, 131,475.45 and 27,667.68

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Solution

The fourth proportional to 87,629.95, 131,475.45 and 27,667.68 is: 41,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,629.95 : 131,475.45 = 27,667.68 : x
  2. Step 2: Convert to fraction form
    87,629.95/131,475.45 = 27,667.68/x
  3. Step 3: Cross multiply
    87,629.95x = 131,475.45 × 27,667.68
  4. Step 4: Simplify right side
    87,629.95x = 3,637,620,289.18
  5. Step 5: Solve for x
    x = 3,637,620,289.18/87,629.95
  6. Step 6: Final answer
    x = 41,511.15

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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.