Home / 74,046.06-102,183.27-40,054.56

Finding the Fourth Proportional to 74,046.06, 102,183.27 and 40,054.56

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Solution

The fourth proportional to 74,046.06, 102,183.27 and 40,054.56 is: 55,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,046.06 : 102,183.27 = 40,054.56 : x
  2. Step 2: Convert to fraction form
    74,046.06/102,183.27 = 40,054.56/x
  3. Step 3: Cross multiply
    74,046.06x = 102,183.27 × 40,054.56
  4. Step 4: Simplify right side
    74,046.06x = 4,092,905,919.21
  5. Step 5: Solve for x
    x = 4,092,905,919.21/74,046.06
  6. Step 6: Final answer
    x = 55,275.13

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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.