Home / 74,606.56-111,898.78-27,210.54

Finding the Fourth Proportional to 74,606.56, 111,898.78 and 27,210.54

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Solution

The fourth proportional to 74,606.56, 111,898.78 and 27,210.54 is: 40,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.56 : 111,898.78 = 27,210.54 : x
  2. Step 2: Convert to fraction form
    74,606.56/111,898.78 = 27,210.54/x
  3. Step 3: Cross multiply
    74,606.56x = 111,898.78 × 27,210.54
  4. Step 4: Simplify right side
    74,606.56x = 3,044,826,229.14
  5. Step 5: Solve for x
    x = 3,044,826,229.14/74,606.56
  6. Step 6: Final answer
    x = 40,811.78

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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.