Home / 74,229.78-111,317.04-29,841.60

Finding the Fourth Proportional to 74,229.78, 111,317.04 and 29,841.60

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Solution

The fourth proportional to 74,229.78, 111,317.04 and 29,841.60 is: 44,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,229.78 : 111,317.04 = 29,841.60 : x
  2. Step 2: Convert to fraction form
    74,229.78/111,317.04 = 29,841.60/x
  3. Step 3: Cross multiply
    74,229.78x = 111,317.04 × 29,841.60
  4. Step 4: Simplify right side
    74,229.78x = 3,321,878,580.86
  5. Step 5: Solve for x
    x = 3,321,878,580.86/74,229.78
  6. Step 6: Final answer
    x = 44,751.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.