Finding the Fourth Proportional to 80,883.51, 121,288.10 and 27,553.79
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Solution
The fourth proportional to 80,883.51, 121,288.10 and 27,553.79 is: 41,318.02
Step by Step Solution
- Step 1: Write the proportion equation
80,883.51 : 121,288.10 = 27,553.79 : x - Step 2: Convert to fraction form
80,883.51/121,288.10 = 27,553.79/x - Step 3: Cross multiply
80,883.51x = 121,288.10 × 27,553.79 - Step 4: Simplify right side
80,883.51x = 3,341,946,475.09 - Step 5: Solve for x
x = 3,341,946,475.09/80,883.51 - Step 6: Final answer
x = 41,318.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.