Finding the Fourth Proportional to 125,044.62, 172,561.58 and 68,455.99
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Solution
The fourth proportional to 125,044.62, 172,561.58 and 68,455.99 is: 94,469.27
Step by Step Solution
- Step 1: Write the proportion equation
125,044.62 : 172,561.58 = 68,455.99 : x - Step 2: Convert to fraction form
125,044.62/172,561.58 = 68,455.99/x - Step 3: Cross multiply
125,044.62x = 172,561.58 × 68,455.99 - Step 4: Simplify right side
125,044.62x = 11,812,873,794.86 - Step 5: Solve for x
x = 11,812,873,794.86/125,044.62 - Step 6: Final answer
x = 94,469.27
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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.