Home / 74,280.82-111,410.26-21,676.18

Finding the Fourth Proportional to 74,280.82, 111,410.26 and 21,676.18

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Solution

The fourth proportional to 74,280.82, 111,410.26 and 21,676.18 is: 32,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,280.82 : 111,410.26 = 21,676.18 : x
  2. Step 2: Convert to fraction form
    74,280.82/111,410.26 = 21,676.18/x
  3. Step 3: Cross multiply
    74,280.82x = 111,410.26 × 21,676.18
  4. Step 4: Simplify right side
    74,280.82x = 2,414,948,346.75
  5. Step 5: Solve for x
    x = 2,414,948,346.75/74,280.82
  6. Step 6: Final answer
    x = 32,511.06

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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.