Home / 77,663.37-116,324.31-64,183.60

Finding the Fourth Proportional to 77,663.37, 116,324.31 and 64,183.60

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Solution

The fourth proportional to 77,663.37, 116,324.31 and 64,183.60 is: 96,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,663.37 : 116,324.31 = 64,183.60 : x
  2. Step 2: Convert to fraction form
    77,663.37/116,324.31 = 64,183.60/x
  3. Step 3: Cross multiply
    77,663.37x = 116,324.31 × 64,183.60
  4. Step 4: Simplify right side
    77,663.37x = 7,466,112,983.32
  5. Step 5: Solve for x
    x = 7,466,112,983.32/77,663.37
  6. Step 6: Final answer
    x = 96,134.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.