Finding the Fourth Proportional to 98,232.97, 135,577.88 and 57,956.71
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Solution
The fourth proportional to 98,232.97, 135,577.88 and 57,956.71 is: 79,989.92
Step by Step Solution
- Step 1: Write the proportion equation
98,232.97 : 135,577.88 = 57,956.71 : x - Step 2: Convert to fraction form
98,232.97/135,577.88 = 57,956.71/x - Step 3: Cross multiply
98,232.97x = 135,577.88 × 57,956.71 - Step 4: Simplify right side
98,232.97x = 7,857,647,873.57 - Step 5: Solve for x
x = 7,857,647,873.57/98,232.97 - Step 6: Final answer
x = 79,989.92
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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.