Home / 74,734.05-112,103.16-18,571.89

Finding the Fourth Proportional to 74,734.05, 112,103.16 and 18,571.89

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Solution

The fourth proportional to 74,734.05, 112,103.16 and 18,571.89 is: 27,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.05 : 112,103.16 = 18,571.89 : x
  2. Step 2: Convert to fraction form
    74,734.05/112,103.16 = 18,571.89/x
  3. Step 3: Cross multiply
    74,734.05x = 112,103.16 × 18,571.89
  4. Step 4: Simplify right side
    74,734.05x = 2,081,967,556.17
  5. Step 5: Solve for x
    x = 2,081,967,556.17/74,734.05
  6. Step 6: Final answer
    x = 27,858.35

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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.