Home / 54,665.29-75,424.84-30,791.95

Finding the Fourth Proportional to 54,665.29, 75,424.84 and 30,791.95

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Solution

The fourth proportional to 54,665.29, 75,424.84 and 30,791.95 is: 42,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.29 : 75,424.84 = 30,791.95 : x
  2. Step 2: Convert to fraction form
    54,665.29/75,424.84 = 30,791.95/x
  3. Step 3: Cross multiply
    54,665.29x = 75,424.84 × 30,791.95
  4. Step 4: Simplify right side
    54,665.29x = 2,322,477,902.04
  5. Step 5: Solve for x
    x = 2,322,477,902.04/54,665.29
  6. Step 6: Final answer
    x = 42,485.42

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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.