Home / 54,877.97-75,731.45-31,004.64

Finding the Fourth Proportional to 54,877.97, 75,731.45 and 31,004.64

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Solution

The fourth proportional to 54,877.97, 75,731.45 and 31,004.64 is: 42,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.97 : 75,731.45 = 31,004.64 : x
  2. Step 2: Convert to fraction form
    54,877.97/75,731.45 = 31,004.64/x
  3. Step 3: Cross multiply
    54,877.97x = 75,731.45 × 31,004.64
  4. Step 4: Simplify right side
    54,877.97x = 2,348,026,188.90
  5. Step 5: Solve for x
    x = 2,348,026,188.90/54,877.97
  6. Step 6: Final answer
    x = 42,786.31

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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.