Home / 77,383.15-106,749.44-50,541.37

Finding the Fourth Proportional to 77,383.15, 106,749.44 and 50,541.37

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Solution

The fourth proportional to 77,383.15, 106,749.44 and 50,541.37 is: 69,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,383.15 : 106,749.44 = 50,541.37 : x
  2. Step 2: Convert to fraction form
    77,383.15/106,749.44 = 50,541.37/x
  3. Step 3: Cross multiply
    77,383.15x = 106,749.44 × 50,541.37
  4. Step 4: Simplify right side
    77,383.15x = 5,395,262,898.58
  5. Step 5: Solve for x
    x = 5,395,262,898.58/77,383.15
  6. Step 6: Final answer
    x = 69,721.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.