Home / 74,109.22-102,245.16-41,839.81

Finding the Fourth Proportional to 74,109.22, 102,245.16 and 41,839.81

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Solution

The fourth proportional to 74,109.22, 102,245.16 and 41,839.81 is: 57,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,109.22 : 102,245.16 = 41,839.81 : x
  2. Step 2: Convert to fraction form
    74,109.22/102,245.16 = 41,839.81/x
  3. Step 3: Cross multiply
    74,109.22x = 102,245.16 × 41,839.81
  4. Step 4: Simplify right side
    74,109.22x = 4,277,917,969.11
  5. Step 5: Solve for x
    x = 4,277,917,969.11/74,109.22
  6. Step 6: Final answer
    x = 57,724.51

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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.