Home / 45,825.90-68,749.62-14,234.34

Finding the Fourth Proportional to 45,825.90, 68,749.62 and 14,234.34

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Solution

The fourth proportional to 45,825.90, 68,749.62 and 14,234.34 is: 21,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.90 : 68,749.62 = 14,234.34 : x
  2. Step 2: Convert to fraction form
    45,825.90/68,749.62 = 14,234.34/x
  3. Step 3: Cross multiply
    45,825.90x = 68,749.62 × 14,234.34
  4. Step 4: Simplify right side
    45,825.90x = 978,605,465.95
  5. Step 5: Solve for x
    x = 978,605,465.95/45,825.90
  6. Step 6: Final answer
    x = 21,354.86

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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.