Finding the Fourth Proportional to 88,022.19, 121,470.68 and 47,735.94
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Solution
The fourth proportional to 88,022.19, 121,470.68 and 47,735.94 is: 65,875.63
Step by Step Solution
- Step 1: Write the proportion equation
88,022.19 : 121,470.68 = 47,735.94 : x - Step 2: Convert to fraction form
88,022.19/121,470.68 = 47,735.94/x - Step 3: Cross multiply
88,022.19x = 121,470.68 × 47,735.94 - Step 4: Simplify right side
88,022.19x = 5,798,517,092.24 - Step 5: Solve for x
x = 5,798,517,092.24/88,022.19 - Step 6: Final answer
x = 65,875.63
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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.