Finding the Fourth Proportional to 75,620.84, 113,456.52 and 33,495.20
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Solution
The fourth proportional to 75,620.84, 113,456.52 and 33,495.20 is: 50,253.99
Step by Step Solution
- Step 1: Write the proportion equation
75,620.84 : 113,456.52 = 33,495.20 : x - Step 2: Convert to fraction form
75,620.84/113,456.52 = 33,495.20/x - Step 3: Cross multiply
75,620.84x = 113,456.52 × 33,495.20 - Step 4: Simplify right side
75,620.84x = 3,800,248,828.70 - Step 5: Solve for x
x = 3,800,248,828.70/75,620.84 - Step 6: Final answer
x = 50,253.99
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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.