Finding the Fourth Proportional to 125,120.36, 172,668.34 and 68,528.12
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Solution
The fourth proportional to 125,120.36, 172,668.34 and 68,528.12 is: 94,570.03
Step by Step Solution
- Step 1: Write the proportion equation
125,120.36 : 172,668.34 = 68,528.12 : x - Step 2: Convert to fraction form
125,120.36/172,668.34 = 68,528.12/x - Step 3: Cross multiply
125,120.36x = 172,668.34 × 68,528.12 - Step 4: Simplify right side
125,120.36x = 11,832,636,723.72 - Step 5: Solve for x
x = 11,832,636,723.72/125,120.36 - Step 6: Final answer
x = 94,570.03
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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.