Home / 45,825.80-68,749.45-14,234.22

Finding the Fourth Proportional to 45,825.80, 68,749.45 and 14,234.22

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Solution

The fourth proportional to 45,825.80, 68,749.45 and 14,234.22 is: 21,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.80 : 68,749.45 = 14,234.22 : x
  2. Step 2: Convert to fraction form
    45,825.80/68,749.45 = 14,234.22/x
  3. Step 3: Cross multiply
    45,825.80x = 68,749.45 × 14,234.22
  4. Step 4: Simplify right side
    45,825.80x = 978,594,760.59
  5. Step 5: Solve for x
    x = 978,594,760.59/45,825.80
  6. Step 6: Final answer
    x = 21,354.67

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1.5x scale

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.