Home / 54,964.60-82,453.47-19,418.56

Finding the Fourth Proportional to 54,964.60, 82,453.47 and 19,418.56

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Solution

The fourth proportional to 54,964.60, 82,453.47 and 19,418.56 is: 29,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,964.60 : 82,453.47 = 19,418.56 : x
  2. Step 2: Convert to fraction form
    54,964.60/82,453.47 = 19,418.56/x
  3. Step 3: Cross multiply
    54,964.60x = 82,453.47 × 19,418.56
  4. Step 4: Simplify right side
    54,964.60x = 1,601,127,654.40
  5. Step 5: Solve for x
    x = 1,601,127,654.40/54,964.60
  6. Step 6: Final answer
    x = 29,130.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.