Finding the Fourth Proportional to 92,125.36, 138,231.76 and 39,549.84
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Solution
The fourth proportional to 92,125.36, 138,231.76 and 39,549.84 is: 59,343.53
Step by Step Solution
- Step 1: Write the proportion equation
92,125.36 : 138,231.76 = 39,549.84 : x - Step 2: Convert to fraction form
92,125.36/138,231.76 = 39,549.84/x - Step 3: Cross multiply
92,125.36x = 138,231.76 × 39,549.84 - Step 4: Simplify right side
92,125.36x = 5,467,043,990.92 - Step 5: Solve for x
x = 5,467,043,990.92/92,125.36 - Step 6: Final answer
x = 59,343.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.