Home / 74,105.70-102,266.91-41,842.14

Finding the Fourth Proportional to 74,105.70, 102,266.91 and 41,842.14

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Solution

The fourth proportional to 74,105.70, 102,266.91 and 41,842.14 is: 57,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,105.70 : 102,266.91 = 41,842.14 : x
  2. Step 2: Convert to fraction form
    74,105.70/102,266.91 = 41,842.14/x
  3. Step 3: Cross multiply
    74,105.70x = 102,266.91 × 41,842.14
  4. Step 4: Simplify right side
    74,105.70x = 4,279,066,365.59
  5. Step 5: Solve for x
    x = 4,279,066,365.59/74,105.70
  6. Step 6: Final answer
    x = 57,742.74

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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.