Finding the Fourth Proportional to 97,863.20, 135,042.98 and 54,256.92
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Solution
The fourth proportional to 97,863.20, 135,042.98 and 54,256.92 is: 74,869.98
Step by Step Solution
- Step 1: Write the proportion equation
97,863.20 : 135,042.98 = 54,256.92 : x - Step 2: Convert to fraction form
97,863.20/135,042.98 = 54,256.92/x - Step 3: Cross multiply
97,863.20x = 135,042.98 × 54,256.92 - Step 4: Simplify right side
97,863.20x = 7,327,015,891.14 - Step 5: Solve for x
x = 7,327,015,891.14/97,863.20 - Step 6: Final answer
x = 74,869.98
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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.