Finding the Fourth Proportional to 88,579.97, 132,719.59 and 53,445.81
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Solution
The fourth proportional to 88,579.97, 132,719.59 and 53,445.81 is: 80,077.99
Step by Step Solution
- Step 1: Write the proportion equation
88,579.97 : 132,719.59 = 53,445.81 : x - Step 2: Convert to fraction form
88,579.97/132,719.59 = 53,445.81/x - Step 3: Cross multiply
88,579.97x = 132,719.59 × 53,445.81 - Step 4: Simplify right side
88,579.97x = 7,093,305,990.42 - Step 5: Solve for x
x = 7,093,305,990.42/88,579.97 - Step 6: Final answer
x = 80,077.99
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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.