Home / 74,524.74-102,886.65-49,408.26

Finding the Fourth Proportional to 74,524.74, 102,886.65 and 49,408.26

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Solution

The fourth proportional to 74,524.74, 102,886.65 and 49,408.26 is: 68,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.74 : 102,886.65 = 49,408.26 : x
  2. Step 2: Convert to fraction form
    74,524.74/102,886.65 = 49,408.26/x
  3. Step 3: Cross multiply
    74,524.74x = 102,886.65 × 49,408.26
  4. Step 4: Simplify right side
    74,524.74x = 5,083,450,353.73
  5. Step 5: Solve for x
    x = 5,083,450,353.73/74,524.74
  6. Step 6: Final answer
    x = 68,211.58

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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.