Home / 54,112.98-74,648.64-36,208.74

Finding the Fourth Proportional to 54,112.98, 74,648.64 and 36,208.74

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Solution

The fourth proportional to 54,112.98, 74,648.64 and 36,208.74 is: 49,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.98 : 74,648.64 = 36,208.74 : x
  2. Step 2: Convert to fraction form
    54,112.98/74,648.64 = 36,208.74/x
  3. Step 3: Cross multiply
    54,112.98x = 74,648.64 × 36,208.74
  4. Step 4: Simplify right side
    54,112.98x = 2,702,933,197.11
  5. Step 5: Solve for x
    x = 2,702,933,197.11/54,112.98
  6. Step 6: Final answer
    x = 49,949.81

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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.