Home / 75,645.57-104,390.03-41,653.35

Finding the Fourth Proportional to 75,645.57, 104,390.03 and 41,653.35

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Solution

The fourth proportional to 75,645.57, 104,390.03 and 41,653.35 is: 57,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,645.57 : 104,390.03 = 41,653.35 : x
  2. Step 2: Convert to fraction form
    75,645.57/104,390.03 = 41,653.35/x
  3. Step 3: Cross multiply
    75,645.57x = 104,390.03 × 41,653.35
  4. Step 4: Simplify right side
    75,645.57x = 4,348,194,456.10
  5. Step 5: Solve for x
    x = 4,348,194,456.10/75,645.57
  6. Step 6: Final answer
    x = 57,481.15

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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.