Finding the Fourth Proportional to 88,556.78, 122,207.56 and 48,270.54
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Solution
The fourth proportional to 88,556.78, 122,207.56 and 48,270.54 is: 66,612.91
Step by Step Solution
- Step 1: Write the proportion equation
88,556.78 : 122,207.56 = 48,270.54 : x - Step 2: Convert to fraction form
88,556.78/122,207.56 = 48,270.54/x - Step 3: Cross multiply
88,556.78x = 122,207.56 × 48,270.54 - Step 4: Simplify right side
88,556.78x = 5,899,024,913.28 - Step 5: Solve for x
x = 5,899,024,913.28/88,556.78 - Step 6: Final answer
x = 66,612.91
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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.