Finding the Fourth Proportional to 75,711.24, 113,537.70 and 22,388.40
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Solution
The fourth proportional to 75,711.24, 113,537.70 and 22,388.40 is: 33,573.98
Step by Step Solution
- Step 1: Write the proportion equation
75,711.24 : 113,537.70 = 22,388.40 : x - Step 2: Convert to fraction form
75,711.24/113,537.70 = 22,388.40/x - Step 3: Cross multiply
75,711.24x = 113,537.70 × 22,388.40 - Step 4: Simplify right side
75,711.24x = 2,541,927,442.68 - Step 5: Solve for x
x = 2,541,927,442.68/75,711.24 - Step 6: Final answer
x = 33,573.98
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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.