Home / 47,138.66-65,051.19-25,917.86

Finding the Fourth Proportional to 47,138.66, 65,051.19 and 25,917.86

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Solution

The fourth proportional to 47,138.66, 65,051.19 and 25,917.86 is: 35,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.66 : 65,051.19 = 25,917.86 : x
  2. Step 2: Convert to fraction form
    47,138.66/65,051.19 = 25,917.86/x
  3. Step 3: Cross multiply
    47,138.66x = 65,051.19 × 25,917.86
  4. Step 4: Simplify right side
    47,138.66x = 1,685,987,635.25
  5. Step 5: Solve for x
    x = 1,685,987,635.25/47,138.66
  6. Step 6: Final answer
    x = 35,766.56

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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.