Finding the Fourth Proportional to 92,492.16, 138,654.78 and 33,286.02
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Solution
The fourth proportional to 92,492.16, 138,654.78 and 33,286.02 is: 49,898.99
Step by Step Solution
- Step 1: Write the proportion equation
92,492.16 : 138,654.78 = 33,286.02 : x - Step 2: Convert to fraction form
92,492.16/138,654.78 = 33,286.02/x - Step 3: Cross multiply
92,492.16x = 138,654.78 × 33,286.02 - Step 4: Simplify right side
92,492.16x = 4,615,265,780.18 - Step 5: Solve for x
x = 4,615,265,780.18/92,492.16 - Step 6: Final answer
x = 49,898.99
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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.