Home / 54,180.89-74,736.92-35,784.11

Finding the Fourth Proportional to 54,180.89, 74,736.92 and 35,784.11

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Solution

The fourth proportional to 54,180.89, 74,736.92 and 35,784.11 is: 49,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.89 : 74,736.92 = 35,784.11 : x
  2. Step 2: Convert to fraction form
    54,180.89/74,736.92 = 35,784.11/x
  3. Step 3: Cross multiply
    54,180.89x = 74,736.92 × 35,784.11
  4. Step 4: Simplify right side
    54,180.89x = 2,674,393,882.12
  5. Step 5: Solve for x
    x = 2,674,393,882.12/54,180.89
  6. Step 6: Final answer
    x = 49,360.47

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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.