Finding the Fourth Proportional to 76,272.69, 105,258.94 and 46,051.99
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Solution
The fourth proportional to 76,272.69, 105,258.94 and 46,051.99 is: 63,553.34
Step by Step Solution
- Step 1: Write the proportion equation
76,272.69 : 105,258.94 = 46,051.99 : x - Step 2: Convert to fraction form
76,272.69/105,258.94 = 46,051.99/x - Step 3: Cross multiply
76,272.69x = 105,258.94 × 46,051.99 - Step 4: Simplify right side
76,272.69x = 4,847,384,125.14 - Step 5: Solve for x
x = 4,847,384,125.14/76,272.69 - Step 6: Final answer
x = 63,553.34
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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.