Finding the Fourth Proportional to 91,102.24, 136,661.52 and 24,540.88
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Solution
The fourth proportional to 91,102.24, 136,661.52 and 24,540.88 is: 36,813.52
Step by Step Solution
- Step 1: Write the proportion equation
91,102.24 : 136,661.52 = 24,540.88 : x - Step 2: Convert to fraction form
91,102.24/136,661.52 = 24,540.88/x - Step 3: Cross multiply
91,102.24x = 136,661.52 × 24,540.88 - Step 4: Simplify right side
91,102.24x = 3,353,793,962.94 - Step 5: Solve for x
x = 3,353,793,962.94/91,102.24 - Step 6: Final answer
x = 36,813.52
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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.