Home / 75,243.24-103,836.06-43,413.48

Finding the Fourth Proportional to 75,243.24, 103,836.06 and 43,413.48

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Solution

The fourth proportional to 75,243.24, 103,836.06 and 43,413.48 is: 59,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,243.24 : 103,836.06 = 43,413.48 : x
  2. Step 2: Convert to fraction form
    75,243.24/103,836.06 = 43,413.48/x
  3. Step 3: Cross multiply
    75,243.24x = 103,836.06 × 43,413.48
  4. Step 4: Simplify right side
    75,243.24x = 4,507,884,714.09
  5. Step 5: Solve for x
    x = 4,507,884,714.09/75,243.24
  6. Step 6: Final answer
    x = 59,910.83

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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.