Home / 47,943.14-71,914.65-12,882.78

Finding the Fourth Proportional to 47,943.14, 71,914.65 and 12,882.78

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Solution

The fourth proportional to 47,943.14, 71,914.65 and 12,882.78 is: 19,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.14 : 71,914.65 = 12,882.78 : x
  2. Step 2: Convert to fraction form
    47,943.14/71,914.65 = 12,882.78/x
  3. Step 3: Cross multiply
    47,943.14x = 71,914.65 × 12,882.78
  4. Step 4: Simplify right side
    47,943.14x = 926,460,614.73
  5. Step 5: Solve for x
    x = 926,460,614.73/47,943.14
  6. Step 6: Final answer
    x = 19,324.16

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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.