Home / 47,786.92-71,680.62-14,507.28

Finding the Fourth Proportional to 47,786.92, 71,680.62 and 14,507.28

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Solution

The fourth proportional to 47,786.92, 71,680.62 and 14,507.28 is: 21,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,786.92 : 71,680.62 = 14,507.28 : x
  2. Step 2: Convert to fraction form
    47,786.92/71,680.62 = 14,507.28/x
  3. Step 3: Cross multiply
    47,786.92x = 71,680.62 × 14,507.28
  4. Step 4: Simplify right side
    47,786.92x = 1,039,890,824.91
  5. Step 5: Solve for x
    x = 1,039,890,824.91/47,786.92
  6. Step 6: Final answer
    x = 21,760.99

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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.