Finding the Fourth Proportional to 88,333.97, 121,901.76 and 48,048.68
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Solution
The fourth proportional to 88,333.97, 121,901.76 and 48,048.68 is: 66,307.67
Step by Step Solution
- Step 1: Write the proportion equation
88,333.97 : 121,901.76 = 48,048.68 : x - Step 2: Convert to fraction form
88,333.97/121,901.76 = 48,048.68/x - Step 3: Cross multiply
88,333.97x = 121,901.76 × 48,048.68 - Step 4: Simplify right side
88,333.97x = 5,857,218,962.43 - Step 5: Solve for x
x = 5,857,218,962.43/88,333.97 - Step 6: Final answer
x = 66,307.67
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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.