Home / 77,009.46-106,273.44-43,019.37

Finding the Fourth Proportional to 77,009.46, 106,273.44 and 43,019.37

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Solution

The fourth proportional to 77,009.46, 106,273.44 and 43,019.37 is: 59,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,009.46 : 106,273.44 = 43,019.37 : x
  2. Step 2: Convert to fraction form
    77,009.46/106,273.44 = 43,019.37/x
  3. Step 3: Cross multiply
    77,009.46x = 106,273.44 × 43,019.37
  4. Step 4: Simplify right side
    77,009.46x = 4,571,816,436.53
  5. Step 5: Solve for x
    x = 4,571,816,436.53/77,009.46
  6. Step 6: Final answer
    x = 59,366.95

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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.