Home / 54,921.51-75,791.25-31,052.88

Finding the Fourth Proportional to 54,921.51, 75,791.25 and 31,052.88

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Solution

The fourth proportional to 54,921.51, 75,791.25 and 31,052.88 is: 42,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.51 : 75,791.25 = 31,052.88 : x
  2. Step 2: Convert to fraction form
    54,921.51/75,791.25 = 31,052.88/x
  3. Step 3: Cross multiply
    54,921.51x = 75,791.25 × 31,052.88
  4. Step 4: Simplify right side
    54,921.51x = 2,353,536,591.30
  5. Step 5: Solve for x
    x = 2,353,536,591.30/54,921.51
  6. Step 6: Final answer
    x = 42,852.73

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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.