Finding the Fourth Proportional to 107,625.44, 161,437.88 and 51,294.80
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Solution
The fourth proportional to 107,625.44, 161,437.88 and 51,294.80 is: 76,942.07
Step by Step Solution
- Step 1: Write the proportion equation
107,625.44 : 161,437.88 = 51,294.80 : x - Step 2: Convert to fraction form
107,625.44/161,437.88 = 51,294.80/x - Step 3: Cross multiply
107,625.44x = 161,437.88 × 51,294.80 - Step 4: Simplify right side
107,625.44x = 8,280,923,767.02 - Step 5: Solve for x
x = 8,280,923,767.02/107,625.44 - Step 6: Final answer
x = 76,942.07
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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.