Finding the Fourth Proportional to 84,905.46, 117,168.93 and 46,142.99
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Solution
The fourth proportional to 84,905.46, 117,168.93 and 46,142.99 is: 63,677.00
Step by Step Solution
- Step 1: Write the proportion equation
84,905.46 : 117,168.93 = 46,142.99 : x - Step 2: Convert to fraction form
84,905.46/117,168.93 = 46,142.99/x - Step 3: Cross multiply
84,905.46x = 117,168.93 × 46,142.99 - Step 4: Simplify right side
84,905.46x = 5,406,524,765.30 - Step 5: Solve for x
x = 5,406,524,765.30/84,905.46 - Step 6: Final answer
x = 63,677.00
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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.