Home / 54,836.88-75,671.26-31,864.64

Finding the Fourth Proportional to 54,836.88, 75,671.26 and 31,864.64

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Solution

The fourth proportional to 54,836.88, 75,671.26 and 31,864.64 is: 43,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,836.88 : 75,671.26 = 31,864.64 : x
  2. Step 2: Convert to fraction form
    54,836.88/75,671.26 = 31,864.64/x
  3. Step 3: Cross multiply
    54,836.88x = 75,671.26 × 31,864.64
  4. Step 4: Simplify right side
    54,836.88x = 2,411,237,458.25
  5. Step 5: Solve for x
    x = 2,411,237,458.25/54,836.88
  6. Step 6: Final answer
    x = 43,971.09

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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.