Finding the Fourth Proportional to 107,648.98, 161,484.48 and 41,145.09
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Solution
The fourth proportional to 107,648.98, 161,484.48 and 41,145.09 is: 61,721.84
Step by Step Solution
- Step 1: Write the proportion equation
107,648.98 : 161,484.48 = 41,145.09 : x - Step 2: Convert to fraction form
107,648.98/161,484.48 = 41,145.09/x - Step 3: Cross multiply
107,648.98x = 161,484.48 × 41,145.09 - Step 4: Simplify right side
107,648.98x = 6,644,293,463.20 - Step 5: Solve for x
x = 6,644,293,463.20/107,648.98 - Step 6: Final answer
x = 61,721.84
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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.