Home / 54,074.98-81,112.54-14,635.20

Finding the Fourth Proportional to 54,074.98, 81,112.54 and 14,635.20

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Solution

The fourth proportional to 54,074.98, 81,112.54 and 14,635.20 is: 21,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.98 : 81,112.54 = 14,635.20 : x
  2. Step 2: Convert to fraction form
    54,074.98/81,112.54 = 14,635.20/x
  3. Step 3: Cross multiply
    54,074.98x = 81,112.54 × 14,635.20
  4. Step 4: Simplify right side
    54,074.98x = 1,187,098,245.41
  5. Step 5: Solve for x
    x = 1,187,098,245.41/54,074.98
  6. Step 6: Final answer
    x = 21,952.82

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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.