Finding the Fourth Proportional to 107,121.97, 160,701.18 and 36,984.88
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Solution
The fourth proportional to 107,121.97, 160,701.18 and 36,984.88 is: 55,483.61
Step by Step Solution
- Step 1: Write the proportion equation
107,121.97 : 160,701.18 = 36,984.88 : x - Step 2: Convert to fraction form
107,121.97/160,701.18 = 36,984.88/x - Step 3: Cross multiply
107,121.97x = 160,701.18 × 36,984.88 - Step 4: Simplify right side
107,121.97x = 5,943,513,858.16 - Step 5: Solve for x
x = 5,943,513,858.16/107,121.97 - Step 6: Final answer
x = 55,483.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.