Finding the Fourth Proportional to 125,125.41, 172,677.36 and 68,536.78
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Solution
The fourth proportional to 125,125.41, 172,677.36 and 68,536.78 is: 94,583.11
Step by Step Solution
- Step 1: Write the proportion equation
125,125.41 : 172,677.36 = 68,536.78 : x - Step 2: Convert to fraction form
125,125.41/172,677.36 = 68,536.78/x - Step 3: Cross multiply
125,125.41x = 172,677.36 × 68,536.78 - Step 4: Simplify right side
125,125.41x = 11,834,750,233.30 - Step 5: Solve for x
x = 11,834,750,233.30/125,125.41 - Step 6: Final answer
x = 94,583.11
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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.