Finding the Fourth Proportional to 125,217.72, 172,792.62 and 68,625.08
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Solution
The fourth proportional to 125,217.72, 172,792.62 and 68,625.08 is: 94,698.32
Step by Step Solution
- Step 1: Write the proportion equation
125,217.72 : 172,792.62 = 68,625.08 : x - Step 2: Convert to fraction form
125,217.72/172,792.62 = 68,625.08/x - Step 3: Cross multiply
125,217.72x = 172,792.62 × 68,625.08 - Step 4: Simplify right side
125,217.72x = 11,857,907,370.91 - Step 5: Solve for x
x = 11,857,907,370.91/125,217.72 - Step 6: Final answer
x = 94,698.32
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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.