Finding the Fourth Proportional to 71,727.84, 107,590.78 and 32,257
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Solution
The fourth proportional to 71,727.84, 107,590.78 and 32,257 is: 48,385.06
Step by Step Solution
- Step 1: Write the proportion equation
71,727.84 : 107,590.78 = 32,257 : x - Step 2: Convert to fraction form
71,727.84/107,590.78 = 32,257/x - Step 3: Cross multiply
71,727.84x = 107,590.78 × 32,257 - Step 4: Simplify right side
71,727.84x = 3,470,555,790.46 - Step 5: Solve for x
x = 3,470,555,790.46/71,727.84 - Step 6: Final answer
x = 48,385.06
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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.