Home / 54,836.36-75,676.47-30,963.02

Finding the Fourth Proportional to 54,836.36, 75,676.47 and 30,963.02

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Solution

The fourth proportional to 54,836.36, 75,676.47 and 30,963.02 is: 42,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,836.36 : 75,676.47 = 30,963.02 : x
  2. Step 2: Convert to fraction form
    54,836.36/75,676.47 = 30,963.02/x
  3. Step 3: Cross multiply
    54,836.36x = 75,676.47 × 30,963.02
  4. Step 4: Simplify right side
    54,836.36x = 2,343,172,054.14
  5. Step 5: Solve for x
    x = 2,343,172,054.14/54,836.36
  6. Step 6: Final answer
    x = 42,730.26

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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.