Home / 74,170.25-111,255.38-49,258.96

Finding the Fourth Proportional to 74,170.25, 111,255.38 and 49,258.96

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Solution

The fourth proportional to 74,170.25, 111,255.38 and 49,258.96 is: 73,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,170.25 : 111,255.38 = 49,258.96 : x
  2. Step 2: Convert to fraction form
    74,170.25/111,255.38 = 49,258.96/x
  3. Step 3: Cross multiply
    74,170.25x = 111,255.38 × 49,258.96
  4. Step 4: Simplify right side
    74,170.25x = 5,480,324,158.21
  5. Step 5: Solve for x
    x = 5,480,324,158.21/74,170.25
  6. Step 6: Final answer
    x = 73,888.44

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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.