Home / 47,229.78-65,181.70-35,272.36

Finding the Fourth Proportional to 47,229.78, 65,181.70 and 35,272.36

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Solution

The fourth proportional to 47,229.78, 65,181.70 and 35,272.36 is: 48,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,229.78 : 65,181.70 = 35,272.36 : x
  2. Step 2: Convert to fraction form
    47,229.78/65,181.70 = 35,272.36/x
  3. Step 3: Cross multiply
    47,229.78x = 65,181.70 × 35,272.36
  4. Step 4: Simplify right side
    47,229.78x = 2,299,112,202.81
  5. Step 5: Solve for x
    x = 2,299,112,202.81/47,229.78
  6. Step 6: Final answer
    x = 48,679.29

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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.