Finding the Fourth Proportional to 97,257.36, 145,894.20 and 27,137.52
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Solution
The fourth proportional to 97,257.36, 145,894.20 and 27,137.52 is: 40,708.56
Step by Step Solution
- Step 1: Write the proportion equation
97,257.36 : 145,894.20 = 27,137.52 : x - Step 2: Convert to fraction form
97,257.36/145,894.20 = 27,137.52/x - Step 3: Cross multiply
97,257.36x = 145,894.20 × 27,137.52 - Step 4: Simplify right side
97,257.36x = 3,959,206,770.38 - Step 5: Solve for x
x = 3,959,206,770.38/97,257.36 - Step 6: Final answer
x = 40,708.56
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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.