Home / 74,196.90-102,396.72-41,920.32

Finding the Fourth Proportional to 74,196.90, 102,396.72 and 41,920.32

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Solution

The fourth proportional to 74,196.90, 102,396.72 and 41,920.32 is: 57,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,196.90 : 102,396.72 = 41,920.32 : x
  2. Step 2: Convert to fraction form
    74,196.90/102,396.72 = 41,920.32/x
  3. Step 3: Cross multiply
    74,196.90x = 102,396.72 × 41,920.32
  4. Step 4: Simplify right side
    74,196.90x = 4,292,503,269.35
  5. Step 5: Solve for x
    x = 4,292,503,269.35/74,196.90
  6. Step 6: Final answer
    x = 57,852.87

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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.