Home / 77,671.26-107,190.24-43,690.44

Finding the Fourth Proportional to 77,671.26, 107,190.24 and 43,690.44

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Solution

The fourth proportional to 77,671.26, 107,190.24 and 43,690.44 is: 60,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,671.26 : 107,190.24 = 43,690.44 : x
  2. Step 2: Convert to fraction form
    77,671.26/107,190.24 = 43,690.44/x
  3. Step 3: Cross multiply
    77,671.26x = 107,190.24 × 43,690.44
  4. Step 4: Simplify right side
    77,671.26x = 4,683,188,749.31
  5. Step 5: Solve for x
    x = 4,683,188,749.31/77,671.26
  6. Step 6: Final answer
    x = 60,295.00

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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.