Finding the Fourth Proportional to 74,841.24, 103,273.56 and 41,305.08
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Solution
The fourth proportional to 74,841.24, 103,273.56 and 41,305.08 is: 56,996.95
Step by Step Solution
- Step 1: Write the proportion equation
74,841.24 : 103,273.56 = 41,305.08 : x - Step 2: Convert to fraction form
74,841.24/103,273.56 = 41,305.08/x - Step 3: Cross multiply
74,841.24x = 103,273.56 × 41,305.08 - Step 4: Simplify right side
74,841.24x = 4,265,722,657.68 - Step 5: Solve for x
x = 4,265,722,657.68/74,841.24 - Step 6: Final answer
x = 56,996.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.