Home / 104,939.12-157,431.09-33,865.81

Finding the Fourth Proportional to 104,939.12, 157,431.09 and 33,865.81

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Solution

The fourth proportional to 104,939.12, 157,431.09 and 33,865.81 is: 50,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.12 : 157,431.09 = 33,865.81 : x
  2. Step 2: Convert to fraction form
    104,939.12/157,431.09 = 33,865.81/x
  3. Step 3: Cross multiply
    104,939.12x = 157,431.09 × 33,865.81
  4. Step 4: Simplify right side
    104,939.12x = 5,331,531,115.45
  5. Step 5: Solve for x
    x = 5,331,531,115.45/104,939.12
  6. Step 6: Final answer
    x = 50,805.94

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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.