Finding the Fourth Proportional to 107,971.88, 161,859.84 and 37,812.92
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Solution
The fourth proportional to 107,971.88, 161,859.84 and 37,812.92 is: 56,685.07
Step by Step Solution
- Step 1: Write the proportion equation
107,971.88 : 161,859.84 = 37,812.92 : x - Step 2: Convert to fraction form
107,971.88/161,859.84 = 37,812.92/x - Step 3: Cross multiply
107,971.88x = 161,859.84 × 37,812.92 - Step 4: Simplify right side
107,971.88x = 6,120,393,181.13 - Step 5: Solve for x
x = 6,120,393,181.13/107,971.88 - Step 6: Final answer
x = 56,685.07
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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.