Home / 77,571.21-107,044.66-43,114.35

Finding the Fourth Proportional to 77,571.21, 107,044.66 and 43,114.35

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Solution

The fourth proportional to 77,571.21, 107,044.66 and 43,114.35 is: 59,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,571.21 : 107,044.66 = 43,114.35 : x
  2. Step 2: Convert to fraction form
    77,571.21/107,044.66 = 43,114.35/x
  3. Step 3: Cross multiply
    77,571.21x = 107,044.66 × 43,114.35
  4. Step 4: Simplify right side
    77,571.21x = 4,615,160,936.87
  5. Step 5: Solve for x
    x = 4,615,160,936.87/77,571.21
  6. Step 6: Final answer
    x = 59,495.80

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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.