Finding the Fourth Proportional to 73,974.94, 102,083.37 and 41,709.28
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Solution
The fourth proportional to 73,974.94, 102,083.37 and 41,709.28 is: 57,557.65
Step by Step Solution
- Step 1: Write the proportion equation
73,974.94 : 102,083.37 = 41,709.28 : x - Step 2: Convert to fraction form
73,974.94/102,083.37 = 41,709.28/x - Step 3: Cross multiply
73,974.94x = 102,083.37 × 41,709.28 - Step 4: Simplify right side
73,974.94x = 4,257,823,877.08 - Step 5: Solve for x
x = 4,257,823,877.08/73,974.94 - Step 6: Final answer
x = 57,557.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.