Home / 74,173.35-111,258.99-18,013.89

Finding the Fourth Proportional to 74,173.35, 111,258.99 and 18,013.89

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Solution

The fourth proportional to 74,173.35, 111,258.99 and 18,013.89 is: 27,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,173.35 : 111,258.99 = 18,013.89 : x
  2. Step 2: Convert to fraction form
    74,173.35/111,258.99 = 18,013.89/x
  3. Step 3: Cross multiply
    74,173.35x = 111,258.99 × 18,013.89
  4. Step 4: Simplify right side
    74,173.35x = 2,004,207,207.37
  5. Step 5: Solve for x
    x = 2,004,207,207.37/74,173.35
  6. Step 6: Final answer
    x = 27,020.58

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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.