Finding the Fourth Proportional to 84,865.19, 117,116.13 and 46,625.70
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Solution
The fourth proportional to 84,865.19, 117,116.13 and 46,625.70 is: 64,344.65
Step by Step Solution
- Step 1: Write the proportion equation
84,865.19 : 117,116.13 = 46,625.70 : x - Step 2: Convert to fraction form
84,865.19/117,116.13 = 46,625.70/x - Step 3: Cross multiply
84,865.19x = 117,116.13 × 46,625.70 - Step 4: Simplify right side
84,865.19x = 5,460,621,153.59 - Step 5: Solve for x
x = 5,460,621,153.59/84,865.19 - Step 6: Final answer
x = 64,344.65
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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.