Finding the Fourth Proportional to 92,874.29, 128,166.18 and 52,584.08
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Solution
The fourth proportional to 92,874.29, 128,166.18 and 52,584.08 is: 72,565.84
Step by Step Solution
- Step 1: Write the proportion equation
92,874.29 : 128,166.18 = 52,584.08 : x - Step 2: Convert to fraction form
92,874.29/128,166.18 = 52,584.08/x - Step 3: Cross multiply
92,874.29x = 128,166.18 × 52,584.08 - Step 4: Simplify right side
92,874.29x = 6,739,500,662.41 - Step 5: Solve for x
x = 6,739,500,662.41/92,874.29 - Step 6: Final answer
x = 72,565.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.