Home / 74,199.78-102,377.33-43,992.18

Finding the Fourth Proportional to 74,199.78, 102,377.33 and 43,992.18

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Solution

The fourth proportional to 74,199.78, 102,377.33 and 43,992.18 is: 60,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,199.78 : 102,377.33 = 43,992.18 : x
  2. Step 2: Convert to fraction form
    74,199.78/102,377.33 = 43,992.18/x
  3. Step 3: Cross multiply
    74,199.78x = 102,377.33 × 43,992.18
  4. Step 4: Simplify right side
    74,199.78x = 4,503,801,929.28
  5. Step 5: Solve for x
    x = 4,503,801,929.28/74,199.78
  6. Step 6: Final answer
    x = 60,698.32

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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.