Home / 75,301.39-103,914.07-41,309.54

Finding the Fourth Proportional to 75,301.39, 103,914.07 and 41,309.54

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Solution

The fourth proportional to 75,301.39, 103,914.07 and 41,309.54 is: 57,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,301.39 : 103,914.07 = 41,309.54 : x
  2. Step 2: Convert to fraction form
    75,301.39/103,914.07 = 41,309.54/x
  3. Step 3: Cross multiply
    75,301.39x = 103,914.07 × 41,309.54
  4. Step 4: Simplify right side
    75,301.39x = 4,292,642,431.23
  5. Step 5: Solve for x
    x = 4,292,642,431.23/75,301.39
  6. Step 6: Final answer
    x = 57,006.15

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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.