Finding the Fourth Proportional to 74,501.61, 102,797.46 and 41,797.08
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Solution
The fourth proportional to 74,501.61, 102,797.46 and 41,797.08 is: 57,671.69
Step by Step Solution
- Step 1: Write the proportion equation
74,501.61 : 102,797.46 = 41,797.08 : x - Step 2: Convert to fraction form
74,501.61/102,797.46 = 41,797.08/x - Step 3: Cross multiply
74,501.61x = 102,797.46 × 41,797.08 - Step 4: Simplify right side
74,501.61x = 4,296,633,659.42 - Step 5: Solve for x
x = 4,296,633,659.42/74,501.61 - Step 6: Final answer
x = 57,671.69
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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.