Home / 74,097.25-102,254.21-40,563.25

Finding the Fourth Proportional to 74,097.25, 102,254.21 and 40,563.25

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Solution

The fourth proportional to 74,097.25, 102,254.21 and 40,563.25 is: 55,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,097.25 : 102,254.21 = 40,563.25 : x
  2. Step 2: Convert to fraction form
    74,097.25/102,254.21 = 40,563.25/x
  3. Step 3: Cross multiply
    74,097.25x = 102,254.21 × 40,563.25
  4. Step 4: Simplify right side
    74,097.25x = 4,147,763,083.78
  5. Step 5: Solve for x
    x = 4,147,763,083.78/74,097.25
  6. Step 6: Final answer
    x = 55,977.29

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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.