Home / 53,860.73-80,828.00-18,800.39

Finding the Fourth Proportional to 53,860.73, 80,828.00 and 18,800.39

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Solution

The fourth proportional to 53,860.73, 80,828.00 and 18,800.39 is: 28,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.73 : 80,828.00 = 18,800.39 : x
  2. Step 2: Convert to fraction form
    53,860.73/80,828.00 = 18,800.39/x
  3. Step 3: Cross multiply
    53,860.73x = 80,828.00 × 18,800.39
  4. Step 4: Simplify right side
    53,860.73x = 1,519,597,424.78
  5. Step 5: Solve for x
    x = 1,519,597,424.78/53,860.73
  6. Step 6: Final answer
    x = 28,213.46

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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.