Finding the Fourth Proportional to 88,159.83, 121,660.18 and 47,873.26
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Solution
The fourth proportional to 88,159.83, 121,660.18 and 47,873.26 is: 66,064.89
Step by Step Solution
- Step 1: Write the proportion equation
88,159.83 : 121,660.18 = 47,873.26 : x - Step 2: Convert to fraction form
88,159.83/121,660.18 = 47,873.26/x - Step 3: Cross multiply
88,159.83x = 121,660.18 × 47,873.26 - Step 4: Simplify right side
88,159.83x = 5,824,269,428.79 - Step 5: Solve for x
x = 5,824,269,428.79/88,159.83 - Step 6: Final answer
x = 66,064.89
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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.