Finding the Fourth Proportional to 83,375.73, 115,058.39 and 45,135.09
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Solution
The fourth proportional to 83,375.73, 115,058.39 and 45,135.09 is: 62,286.36
Step by Step Solution
- Step 1: Write the proportion equation
83,375.73 : 115,058.39 = 45,135.09 : x - Step 2: Convert to fraction form
83,375.73/115,058.39 = 45,135.09/x - Step 3: Cross multiply
83,375.73x = 115,058.39 × 45,135.09 - Step 4: Simplify right side
83,375.73x = 5,193,170,562.23 - Step 5: Solve for x
x = 5,193,170,562.23/83,375.73 - Step 6: Final answer
x = 62,286.36
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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.