Finding the Fourth Proportional to 80,393.94, 110,946.93 and 48,556.62
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Solution
The fourth proportional to 80,393.94, 110,946.93 and 48,556.62 is: 67,010.12
Step by Step Solution
- Step 1: Write the proportion equation
80,393.94 : 110,946.93 = 48,556.62 : x - Step 2: Convert to fraction form
80,393.94/110,946.93 = 48,556.62/x - Step 3: Cross multiply
80,393.94x = 110,946.93 × 48,556.62 - Step 4: Simplify right side
80,393.94x = 5,387,207,920.18 - Step 5: Solve for x
x = 5,387,207,920.18/80,393.94 - Step 6: Final answer
x = 67,010.12
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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.