Home / 54,905.78-75,729.97-34,765.94

Finding the Fourth Proportional to 54,905.78, 75,729.97 and 34,765.94

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Solution

The fourth proportional to 54,905.78, 75,729.97 and 34,765.94 is: 47,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.78 : 75,729.97 = 34,765.94 : x
  2. Step 2: Convert to fraction form
    54,905.78/75,729.97 = 34,765.94/x
  3. Step 3: Cross multiply
    54,905.78x = 75,729.97 × 34,765.94
  4. Step 4: Simplify right side
    54,905.78x = 2,632,823,593.22
  5. Step 5: Solve for x
    x = 2,632,823,593.22/54,905.78
  6. Step 6: Final answer
    x = 47,951.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.