Home / 77,520.12-116,291.94-33,147

Finding the Fourth Proportional to 77,520.12, 116,291.94 and 33,147

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Solution

The fourth proportional to 77,520.12, 116,291.94 and 33,147 is: 49,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,520.12 : 116,291.94 = 33,147 : x
  2. Step 2: Convert to fraction form
    77,520.12/116,291.94 = 33,147/x
  3. Step 3: Cross multiply
    77,520.12x = 116,291.94 × 33,147
  4. Step 4: Simplify right side
    77,520.12x = 3,854,728,935.18
  5. Step 5: Solve for x
    x = 3,854,728,935.18/77,520.12
  6. Step 6: Final answer
    x = 49,725.53

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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.