Finding the Fourth Proportional to 113,753.14, 170,556.80 and 47,239.18
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Solution
The fourth proportional to 113,753.14, 170,556.80 and 47,239.18 is: 70,828.49
Step by Step Solution
- Step 1: Write the proportion equation
113,753.14 : 170,556.80 = 47,239.18 : x - Step 2: Convert to fraction form
113,753.14/170,556.80 = 47,239.18/x - Step 3: Cross multiply
113,753.14x = 170,556.80 × 47,239.18 - Step 4: Simplify right side
113,753.14x = 8,056,963,375.42 - Step 5: Solve for x
x = 8,056,963,375.42/113,753.14 - Step 6: Final answer
x = 70,828.49
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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.