Home / 51,069.78-76,606.73-17,793.21

Finding the Fourth Proportional to 51,069.78, 76,606.73 and 17,793.21

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Solution

The fourth proportional to 51,069.78, 76,606.73 and 17,793.21 is: 26,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,069.78 : 76,606.73 = 17,793.21 : x
  2. Step 2: Convert to fraction form
    51,069.78/76,606.73 = 17,793.21/x
  3. Step 3: Cross multiply
    51,069.78x = 76,606.73 × 17,793.21
  4. Step 4: Simplify right side
    51,069.78x = 1,363,079,899.34
  5. Step 5: Solve for x
    x = 1,363,079,899.34/51,069.78
  6. Step 6: Final answer
    x = 26,690.54

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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.