Home / 84,917.62-127,376.43-38,115.82

Finding the Fourth Proportional to 84,917.62, 127,376.43 and 38,115.82

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Solution

The fourth proportional to 84,917.62, 127,376.43 and 38,115.82 is: 57,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,917.62 : 127,376.43 = 38,115.82 : x
  2. Step 2: Convert to fraction form
    84,917.62/127,376.43 = 38,115.82/x
  3. Step 3: Cross multiply
    84,917.62x = 127,376.43 × 38,115.82
  4. Step 4: Simplify right side
    84,917.62x = 4,855,056,759.68
  5. Step 5: Solve for x
    x = 4,855,056,759.68/84,917.62
  6. Step 6: Final answer
    x = 57,173.73

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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.