Home / 74,563.54-111,869.91-30,227.58

Finding the Fourth Proportional to 74,563.54, 111,869.91 and 30,227.58

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Solution

The fourth proportional to 74,563.54, 111,869.91 and 30,227.58 is: 45,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,563.54 : 111,869.91 = 30,227.58 : x
  2. Step 2: Convert to fraction form
    74,563.54/111,869.91 = 30,227.58/x
  3. Step 3: Cross multiply
    74,563.54x = 111,869.91 × 30,227.58
  4. Step 4: Simplify right side
    74,563.54x = 3,381,556,654.12
  5. Step 5: Solve for x
    x = 3,381,556,654.12/74,563.54
  6. Step 6: Final answer
    x = 45,351.34

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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.