Finding the Fourth Proportional to 88,957.24, 122,805.54 and 68,768.44
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Solution
The fourth proportional to 88,957.24, 122,805.54 and 68,768.44 is: 94,934.89
Step by Step Solution
- Step 1: Write the proportion equation
88,957.24 : 122,805.54 = 68,768.44 : x - Step 2: Convert to fraction form
88,957.24/122,805.54 = 68,768.44/x - Step 3: Cross multiply
88,957.24x = 122,805.54 × 68,768.44 - Step 4: Simplify right side
88,957.24x = 8,445,145,409.16 - Step 5: Solve for x
x = 8,445,145,409.16/88,957.24 - Step 6: Final answer
x = 94,934.89
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1.5x scale
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.