Home / 89,945.37-134,893.40-33,781.13

Finding the Fourth Proportional to 89,945.37, 134,893.40 and 33,781.13

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Solution

The fourth proportional to 89,945.37, 134,893.40 and 33,781.13 is: 50,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,945.37 : 134,893.40 = 33,781.13 : x
  2. Step 2: Convert to fraction form
    89,945.37/134,893.40 = 33,781.13/x
  3. Step 3: Cross multiply
    89,945.37x = 134,893.40 × 33,781.13
  4. Step 4: Simplify right side
    89,945.37x = 4,556,850,807.08
  5. Step 5: Solve for x
    x = 4,556,850,807.08/89,945.37
  6. Step 6: Final answer
    x = 50,662.43

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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.