Home / 54,779.79-82,162.62-17,343.75

Finding the Fourth Proportional to 54,779.79, 82,162.62 and 17,343.75

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Solution

The fourth proportional to 54,779.79, 82,162.62 and 17,343.75 is: 26,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.79 : 82,162.62 = 17,343.75 : x
  2. Step 2: Convert to fraction form
    54,779.79/82,162.62 = 17,343.75/x
  3. Step 3: Cross multiply
    54,779.79x = 82,162.62 × 17,343.75
  4. Step 4: Simplify right side
    54,779.79x = 1,425,007,940.63
  5. Step 5: Solve for x
    x = 1,425,007,940.63/54,779.79
  6. Step 6: Final answer
    x = 26,013.39

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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.