Home / 75,789.81-104,588.55-41,801.44

Finding the Fourth Proportional to 75,789.81, 104,588.55 and 41,801.44

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Solution

The fourth proportional to 75,789.81, 104,588.55 and 41,801.44 is: 57,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789.81 : 104,588.55 = 41,801.44 : x
  2. Step 2: Convert to fraction form
    75,789.81/104,588.55 = 41,801.44/x
  3. Step 3: Cross multiply
    75,789.81x = 104,588.55 × 41,801.44
  4. Step 4: Simplify right side
    75,789.81x = 4,371,951,997.51
  5. Step 5: Solve for x
    x = 4,371,951,997.51/75,789.81
  6. Step 6: Final answer
    x = 57,685.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.