Finding the Fourth Proportional to 88,982.80, 122,795.20 and 48,696.08
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Solution
The fourth proportional to 88,982.80, 122,795.20 and 48,696.08 is: 67,200.01
Step by Step Solution
- Step 1: Write the proportion equation
88,982.80 : 122,795.20 = 48,696.08 : x - Step 2: Convert to fraction form
88,982.80/122,795.20 = 48,696.08/x - Step 3: Cross multiply
88,982.80x = 122,795.20 × 48,696.08 - Step 4: Simplify right side
88,982.80x = 5,979,644,882.82 - Step 5: Solve for x
x = 5,979,644,882.82/88,982.80 - Step 6: Final answer
x = 67,200.01
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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.