Finding the Fourth Proportional to 99,540.26, 137,365.54 and 54,828.26
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Solution
The fourth proportional to 99,540.26, 137,365.54 and 54,828.26 is: 75,662.99
Step by Step Solution
- Step 1: Write the proportion equation
99,540.26 : 137,365.54 = 54,828.26 : x - Step 2: Convert to fraction form
99,540.26/137,365.54 = 54,828.26/x - Step 3: Cross multiply
99,540.26x = 137,365.54 × 54,828.26 - Step 4: Simplify right side
99,540.26x = 7,531,513,542.16 - Step 5: Solve for x
x = 7,531,513,542.16/99,540.26 - Step 6: Final answer
x = 75,662.99
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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.