Home / 47,201.56-65,116.36-30,439.96

Finding the Fourth Proportional to 47,201.56, 65,116.36 and 30,439.96

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Solution

The fourth proportional to 47,201.56, 65,116.36 and 30,439.96 is: 41,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.56 : 65,116.36 = 30,439.96 : x
  2. Step 2: Convert to fraction form
    47,201.56/65,116.36 = 30,439.96/x
  3. Step 3: Cross multiply
    47,201.56x = 65,116.36 × 30,439.96
  4. Step 4: Simplify right side
    47,201.56x = 1,982,139,393.75
  5. Step 5: Solve for x
    x = 1,982,139,393.75/47,201.56
  6. Step 6: Final answer
    x = 41,993.09

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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.