Home / 57,743.03-86,601.48-18,278.61

Finding the Fourth Proportional to 57,743.03, 86,601.48 and 18,278.61

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Solution

The fourth proportional to 57,743.03, 86,601.48 and 18,278.61 is: 27,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,743.03 : 86,601.48 = 18,278.61 : x
  2. Step 2: Convert to fraction form
    57,743.03/86,601.48 = 18,278.61/x
  3. Step 3: Cross multiply
    57,743.03x = 86,601.48 × 18,278.61
  4. Step 4: Simplify right side
    57,743.03x = 1,582,955,037.37
  5. Step 5: Solve for x
    x = 1,582,955,037.37/57,743.03
  6. Step 6: Final answer
    x = 27,413.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.