Home / 74,410.20-111,627.60-34,469.10

Finding the Fourth Proportional to 74,410.20, 111,627.60 and 34,469.10

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Solution

The fourth proportional to 74,410.20, 111,627.60 and 34,469.10 is: 51,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,410.20 : 111,627.60 = 34,469.10 : x
  2. Step 2: Convert to fraction form
    74,410.20/111,627.60 = 34,469.10/x
  3. Step 3: Cross multiply
    74,410.20x = 111,627.60 × 34,469.10
  4. Step 4: Simplify right side
    74,410.20x = 3,847,702,907.16
  5. Step 5: Solve for x
    x = 3,847,702,907.16/74,410.20
  6. Step 6: Final answer
    x = 51,709.35

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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.