Home / 74,936.34-112,371.57-39,867.66

Finding the Fourth Proportional to 74,936.34, 112,371.57 and 39,867.66

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Solution

The fourth proportional to 74,936.34, 112,371.57 and 39,867.66 is: 59,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.34 : 112,371.57 = 39,867.66 : x
  2. Step 2: Convert to fraction form
    74,936.34/112,371.57 = 39,867.66/x
  3. Step 3: Cross multiply
    74,936.34x = 112,371.57 × 39,867.66
  4. Step 4: Simplify right side
    74,936.34x = 4,479,991,546.43
  5. Step 5: Solve for x
    x = 4,479,991,546.43/74,936.34
  6. Step 6: Final answer
    x = 59,783.97

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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.