Finding the Fourth Proportional to 88,123.19, 121,608.06 and 49,881.97
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Solution
The fourth proportional to 88,123.19, 121,608.06 and 49,881.97 is: 68,836.02
Step by Step Solution
- Step 1: Write the proportion equation
88,123.19 : 121,608.06 = 49,881.97 : x - Step 2: Convert to fraction form
88,123.19/121,608.06 = 49,881.97/x - Step 3: Cross multiply
88,123.19x = 121,608.06 × 49,881.97 - Step 4: Simplify right side
88,123.19x = 6,066,049,351.27 - Step 5: Solve for x
x = 6,066,049,351.27/88,123.19 - Step 6: Final answer
x = 68,836.02
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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.