Home / 54,072.19-74,614.49-31,410.56

Finding the Fourth Proportional to 54,072.19, 74,614.49 and 31,410.56

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Solution

The fourth proportional to 54,072.19, 74,614.49 and 31,410.56 is: 43,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.19 : 74,614.49 = 31,410.56 : x
  2. Step 2: Convert to fraction form
    54,072.19/74,614.49 = 31,410.56/x
  3. Step 3: Cross multiply
    54,072.19x = 74,614.49 × 31,410.56
  4. Step 4: Simplify right side
    54,072.19x = 2,343,682,915.01
  5. Step 5: Solve for x
    x = 2,343,682,915.01/54,072.19
  6. Step 6: Final answer
    x = 43,343.59

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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.