Finding the Fourth Proportional to 88,679.54, 122,392.96 and 84,693.62
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Solution
The fourth proportional to 88,679.54, 122,392.96 and 84,693.62 is: 116,891.70
Step by Step Solution
- Step 1: Write the proportion equation
88,679.54 : 122,392.96 = 84,693.62 : x - Step 2: Convert to fraction form
88,679.54/122,392.96 = 84,693.62/x - Step 3: Cross multiply
88,679.54x = 122,392.96 × 84,693.62 - Step 4: Simplify right side
88,679.54x = 10,365,902,021.22 - Step 5: Solve for x
x = 10,365,902,021.22/88,679.54 - Step 6: Final answer
x = 116,891.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.