Home / 74,183.16-102,373.26-40,650.36

Finding the Fourth Proportional to 74,183.16, 102,373.26 and 40,650.36

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Solution

The fourth proportional to 74,183.16, 102,373.26 and 40,650.36 is: 56,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,183.16 : 102,373.26 = 40,650.36 : x
  2. Step 2: Convert to fraction form
    74,183.16/102,373.26 = 40,650.36/x
  3. Step 3: Cross multiply
    74,183.16x = 102,373.26 × 40,650.36
  4. Step 4: Simplify right side
    74,183.16x = 4,161,509,873.37
  5. Step 5: Solve for x
    x = 4,161,509,873.37/74,183.16
  6. Step 6: Final answer
    x = 56,097.77

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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.