Finding the Fourth Proportional to 98,450.08, 147,582.96 and 54,581.92
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Solution
The fourth proportional to 98,450.08, 147,582.96 and 54,581.92 is: 81,821.79
Step by Step Solution
- Step 1: Write the proportion equation
98,450.08 : 147,582.96 = 54,581.92 : x - Step 2: Convert to fraction form
98,450.08/147,582.96 = 54,581.92/x - Step 3: Cross multiply
98,450.08x = 147,582.96 × 54,581.92 - Step 4: Simplify right side
98,450.08x = 8,055,361,316.08 - Step 5: Solve for x
x = 8,055,361,316.08/98,450.08 - Step 6: Final answer
x = 81,821.79
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1.5x scale
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.