Finding the Fourth Proportional to 84,952.05, 117,231.28 and 46,711.63
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Solution
The fourth proportional to 84,952.05, 117,231.28 and 46,711.63 is: 64,460.65
Step by Step Solution
- Step 1: Write the proportion equation
84,952.05 : 117,231.28 = 46,711.63 : x - Step 2: Convert to fraction form
84,952.05/117,231.28 = 46,711.63/x - Step 3: Cross multiply
84,952.05x = 117,231.28 × 46,711.63 - Step 4: Simplify right side
84,952.05x = 5,476,064,175.79 - Step 5: Solve for x
x = 5,476,064,175.79/84,952.05 - Step 6: Final answer
x = 64,460.65
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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.