Finding the Fourth Proportional to 88,751.13, 122,481.54 and 48,468.63
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Solution
The fourth proportional to 88,751.13, 122,481.54 and 48,468.63 is: 66,889.43
Step by Step Solution
- Step 1: Write the proportion equation
88,751.13 : 122,481.54 = 48,468.63 : x - Step 2: Convert to fraction form
88,751.13/122,481.54 = 48,468.63/x - Step 3: Cross multiply
88,751.13x = 122,481.54 × 48,468.63 - Step 4: Simplify right side
88,751.13x = 5,936,512,444.09 - Step 5: Solve for x
x = 5,936,512,444.09/88,751.13 - Step 6: Final answer
x = 66,889.43
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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.