Home / 54,072.41-81,116.33-16,635.60

Finding the Fourth Proportional to 54,072.41, 81,116.33 and 16,635.60

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Solution

The fourth proportional to 54,072.41, 81,116.33 and 16,635.60 is: 24,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.41 : 81,116.33 = 16,635.60 : x
  2. Step 2: Convert to fraction form
    54,072.41/81,116.33 = 16,635.60/x
  3. Step 3: Cross multiply
    54,072.41x = 81,116.33 × 16,635.60
  4. Step 4: Simplify right side
    54,072.41x = 1,349,418,736.17
  5. Step 5: Solve for x
    x = 1,349,418,736.17/54,072.41
  6. Step 6: Final answer
    x = 24,955.77

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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.