Home / 75,201.36-103,772.39-41,204.45

Finding the Fourth Proportional to 75,201.36, 103,772.39 and 41,204.45

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Solution

The fourth proportional to 75,201.36, 103,772.39 and 41,204.45 is: 56,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,201.36 : 103,772.39 = 41,204.45 : x
  2. Step 2: Convert to fraction form
    75,201.36/103,772.39 = 41,204.45/x
  3. Step 3: Cross multiply
    75,201.36x = 103,772.39 × 41,204.45
  4. Step 4: Simplify right side
    75,201.36x = 4,275,883,530.25
  5. Step 5: Solve for x
    x = 4,275,883,530.25/75,201.36
  6. Step 6: Final answer
    x = 56,859.13

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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.