Home / 54,908.89-75,773.48-31,034.75

Finding the Fourth Proportional to 54,908.89, 75,773.48 and 31,034.75

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Solution

The fourth proportional to 54,908.89, 75,773.48 and 31,034.75 is: 42,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,908.89 : 75,773.48 = 31,034.75 : x
  2. Step 2: Convert to fraction form
    54,908.89/75,773.48 = 31,034.75/x
  3. Step 3: Cross multiply
    54,908.89x = 75,773.48 × 31,034.75
  4. Step 4: Simplify right side
    54,908.89x = 2,351,610,474.39
  5. Step 5: Solve for x
    x = 2,351,610,474.39/54,908.89
  6. Step 6: Final answer
    x = 42,827.50

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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.