Finding the Fourth Proportional to 99,600, 137,448 and 54,888
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Solution
The fourth proportional to 99,600, 137,448 and 54,888 is: 75,745.44
Step by Step Solution
- Step 1: Write the proportion equation
99,600 : 137,448 = 54,888 : x - Step 2: Convert to fraction form
99,600/137,448 = 54,888/x - Step 3: Cross multiply
99,600x = 137,448 × 54,888 - Step 4: Simplify right side
99,600x = 7,544,245,824 - Step 5: Solve for x
x = 7,544,245,824/99,600 - Step 6: Final answer
x = 75,745.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.