Home / 74,068.57-102,214.55-41,809.97

Finding the Fourth Proportional to 74,068.57, 102,214.55 and 41,809.97

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Solution

The fourth proportional to 74,068.57, 102,214.55 and 41,809.97 is: 57,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068.57 : 102,214.55 = 41,809.97 : x
  2. Step 2: Convert to fraction form
    74,068.57/102,214.55 = 41,809.97/x
  3. Step 3: Cross multiply
    74,068.57x = 102,214.55 × 41,809.97
  4. Step 4: Simplify right side
    74,068.57x = 4,273,587,820.78
  5. Step 5: Solve for x
    x = 4,273,587,820.78/74,068.57
  6. Step 6: Final answer
    x = 57,697.73

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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.