Finding the Fourth Proportional to 84,953.35, 117,238.63 and 46,715.80
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Solution
The fourth proportional to 84,953.35, 117,238.63 and 46,715.80 is: 64,469.46
Step by Step Solution
- Step 1: Write the proportion equation
84,953.35 : 117,238.63 = 46,715.80 : x - Step 2: Convert to fraction form
84,953.35/117,238.63 = 46,715.80/x - Step 3: Cross multiply
84,953.35x = 117,238.63 × 46,715.80 - Step 4: Simplify right side
84,953.35x = 5,476,896,420.27 - Step 5: Solve for x
x = 5,476,896,420.27/84,953.35 - Step 6: Final answer
x = 64,469.46
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1.5x scale
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.