Finding the Fourth Proportional to 107,712.78, 161,642.97 and 37,592.09
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Solution
The fourth proportional to 107,712.78, 161,642.97 and 37,592.09 is: 56,413.89
Step by Step Solution
- Step 1: Write the proportion equation
107,712.78 : 161,642.97 = 37,592.09 : x - Step 2: Convert to fraction form
107,712.78/161,642.97 = 37,592.09/x - Step 3: Cross multiply
107,712.78x = 161,642.97 × 37,592.09 - Step 4: Simplify right side
107,712.78x = 6,076,496,874.05 - Step 5: Solve for x
x = 6,076,496,874.05/107,712.78 - Step 6: Final answer
x = 56,413.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.