Finding the Fourth Proportional to 113,714.19, 170,610.60 and 38,886.99
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Solution
The fourth proportional to 113,714.19, 170,610.60 and 38,886.99 is: 58,343.93
Step by Step Solution
- Step 1: Write the proportion equation
113,714.19 : 170,610.60 = 38,886.99 : x - Step 2: Convert to fraction form
113,714.19/170,610.60 = 38,886.99/x - Step 3: Cross multiply
113,714.19x = 170,610.60 × 38,886.99 - Step 4: Simplify right side
113,714.19x = 6,634,532,696.09 - Step 5: Solve for x
x = 6,634,532,696.09/113,714.19 - Step 6: Final answer
x = 58,343.93
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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.