Finding the Fourth Proportional to 84,295.70, 116,327.97 and 48,484.79
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Solution
The fourth proportional to 84,295.70, 116,327.97 and 48,484.79 is: 66,908.95
Step by Step Solution
- Step 1: Write the proportion equation
84,295.70 : 116,327.97 = 48,484.79 : x - Step 2: Convert to fraction form
84,295.70/116,327.97 = 48,484.79/x - Step 3: Cross multiply
84,295.70x = 116,327.97 × 48,484.79 - Step 4: Simplify right side
84,295.70x = 5,640,136,614.94 - Step 5: Solve for x
x = 5,640,136,614.94/84,295.70 - Step 6: Final answer
x = 66,908.95
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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.