Home / 74,287.61-111,447.82-27,540.49

Finding the Fourth Proportional to 74,287.61, 111,447.82 and 27,540.49

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Solution

The fourth proportional to 74,287.61, 111,447.82 and 27,540.49 is: 41,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,287.61 : 111,447.82 = 27,540.49 : x
  2. Step 2: Convert to fraction form
    74,287.61/111,447.82 = 27,540.49/x
  3. Step 3: Cross multiply
    74,287.61x = 111,447.82 × 27,540.49
  4. Step 4: Simplify right side
    74,287.61x = 3,069,327,572.23
  5. Step 5: Solve for x
    x = 3,069,327,572.23/74,287.61
  6. Step 6: Final answer
    x = 41,316.82

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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.