Finding the Fourth Proportional to 69,942.84, 104,945.28 and 36,654.99
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Solution
The fourth proportional to 69,942.84, 104,945.28 and 36,654.99 is: 54,998.74
Step by Step Solution
- Step 1: Write the proportion equation
69,942.84 : 104,945.28 = 36,654.99 : x - Step 2: Convert to fraction form
69,942.84/104,945.28 = 36,654.99/x - Step 3: Cross multiply
69,942.84x = 104,945.28 × 36,654.99 - Step 4: Simplify right side
69,942.84x = 3,846,768,188.95 - Step 5: Solve for x
x = 3,846,768,188.95/69,942.84 - Step 6: Final answer
x = 54,998.74
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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.