Finding the Fourth Proportional to 76,233.75, 105,202.58 and 46,425.75
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Solution
The fourth proportional to 76,233.75, 105,202.58 and 46,425.75 is: 64,067.54
Step by Step Solution
- Step 1: Write the proportion equation
76,233.75 : 105,202.58 = 46,425.75 : x - Step 2: Convert to fraction form
76,233.75/105,202.58 = 46,425.75/x - Step 3: Cross multiply
76,233.75x = 105,202.58 × 46,425.75 - Step 4: Simplify right side
76,233.75x = 4,884,108,446.31 - Step 5: Solve for x
x = 4,884,108,446.31/76,233.75 - Step 6: Final answer
x = 64,067.54
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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.