Home / 75,309.40-103,928.03-41,317.27

Finding the Fourth Proportional to 75,309.40, 103,928.03 and 41,317.27

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Solution

The fourth proportional to 75,309.40, 103,928.03 and 41,317.27 is: 57,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,309.40 : 103,928.03 = 41,317.27 : x
  2. Step 2: Convert to fraction form
    75,309.40/103,928.03 = 41,317.27/x
  3. Step 3: Cross multiply
    75,309.40x = 103,928.03 × 41,317.27
  4. Step 4: Simplify right side
    75,309.40x = 4,294,022,747.87
  5. Step 5: Solve for x
    x = 4,294,022,747.87/75,309.40
  6. Step 6: Final answer
    x = 57,018.42

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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.