Home / 77,571.04-107,040.27-43,583.44

Finding the Fourth Proportional to 77,571.04, 107,040.27 and 43,583.44

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Solution

The fourth proportional to 77,571.04, 107,040.27 and 43,583.44 is: 60,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,571.04 : 107,040.27 = 43,583.44 : x
  2. Step 2: Convert to fraction form
    77,571.04/107,040.27 = 43,583.44/x
  3. Step 3: Cross multiply
    77,571.04x = 107,040.27 × 43,583.44
  4. Step 4: Simplify right side
    77,571.04x = 4,665,183,185.13
  5. Step 5: Solve for x
    x = 4,665,183,185.13/77,571.04
  6. Step 6: Final answer
    x = 60,140.78

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1.5x scale

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.