Home / 74,273.85-102,537.75-57,365.61

Finding the Fourth Proportional to 74,273.85, 102,537.75 and 57,365.61

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Solution

The fourth proportional to 74,273.85, 102,537.75 and 57,365.61 is: 79,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.85 : 102,537.75 = 57,365.61 : x
  2. Step 2: Convert to fraction form
    74,273.85/102,537.75 = 57,365.61/x
  3. Step 3: Cross multiply
    74,273.85x = 102,537.75 × 57,365.61
  4. Step 4: Simplify right side
    74,273.85x = 5,882,140,576.78
  5. Step 5: Solve for x
    x = 5,882,140,576.78/74,273.85
  6. Step 6: Final answer
    x = 79,195.31

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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.