Finding the Fourth Proportional to 107,812.49, 161,602.61 and 51,532.92
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Solution
The fourth proportional to 107,812.49, 161,602.61 and 51,532.92 is: 77,243.88
Step by Step Solution
- Step 1: Write the proportion equation
107,812.49 : 161,602.61 = 51,532.92 : x - Step 2: Convert to fraction form
107,812.49/161,602.61 = 51,532.92/x - Step 3: Cross multiply
107,812.49x = 161,602.61 × 51,532.92 - Step 4: Simplify right side
107,812.49x = 8,327,854,115.26 - Step 5: Solve for x
x = 8,327,854,115.26/107,812.49 - Step 6: Final answer
x = 77,243.88
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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.