Finding the Fourth Proportional to 113,701.22, 170,569.37 and 38,803.84
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Solution
The fourth proportional to 113,701.22, 170,569.37 and 38,803.84 is: 58,211.75
Step by Step Solution
- Step 1: Write the proportion equation
113,701.22 : 170,569.37 = 38,803.84 : x - Step 2: Convert to fraction form
113,701.22/170,569.37 = 38,803.84/x - Step 3: Cross multiply
113,701.22x = 170,569.37 × 38,803.84 - Step 4: Simplify right side
113,701.22x = 6,618,746,542.38 - Step 5: Solve for x
x = 6,618,746,542.38/113,701.22 - Step 6: Final answer
x = 58,211.75
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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.