Finding the Fourth Proportional to 84,857.84, 117,098.18 and 46,609.94
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Solution
The fourth proportional to 84,857.84, 117,098.18 and 46,609.94 is: 64,318.62
Step by Step Solution
- Step 1: Write the proportion equation
84,857.84 : 117,098.18 = 46,609.94 : x - Step 2: Convert to fraction form
84,857.84/117,098.18 = 46,609.94/x - Step 3: Cross multiply
84,857.84x = 117,098.18 × 46,609.94 - Step 4: Simplify right side
84,857.84x = 5,457,939,143.91 - Step 5: Solve for x
x = 5,457,939,143.91/84,857.84 - Step 6: Final answer
x = 64,318.62
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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.