Finding the Fourth Proportional to 125,252.71, 172,845.17 and 71,536.62
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Solution
The fourth proportional to 125,252.71, 172,845.17 and 71,536.62 is: 98,718.49
Step by Step Solution
- Step 1: Write the proportion equation
125,252.71 : 172,845.17 = 71,536.62 : x - Step 2: Convert to fraction form
125,252.71/172,845.17 = 71,536.62/x - Step 3: Cross multiply
125,252.71x = 172,845.17 × 71,536.62 - Step 4: Simplify right side
125,252.71x = 12,364,758,023.22 - Step 5: Solve for x
x = 12,364,758,023.22/125,252.71 - Step 6: Final answer
x = 98,718.49
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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.