Finding the Fourth Proportional to 73,174.41, 100,989.97 and 41,342.63
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Solution
The fourth proportional to 73,174.41, 100,989.97 and 41,342.63 is: 57,058.07
Step by Step Solution
- Step 1: Write the proportion equation
73,174.41 : 100,989.97 = 41,342.63 : x - Step 2: Convert to fraction form
73,174.41/100,989.97 = 41,342.63/x - Step 3: Cross multiply
73,174.41x = 100,989.97 × 41,342.63 - Step 4: Simplify right side
73,174.41x = 4,175,190,355.11 - Step 5: Solve for x
x = 4,175,190,355.11/73,174.41 - Step 6: Final answer
x = 57,058.07
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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.