Finding the Fourth Proportional to 71,768.74, 107,582.84 and 26,757.16
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Solution
The fourth proportional to 71,768.74, 107,582.84 and 26,757.16 is: 40,109.54
Step by Step Solution
- Step 1: Write the proportion equation
71,768.74 : 107,582.84 = 26,757.16 : x - Step 2: Convert to fraction form
71,768.74/107,582.84 = 26,757.16/x - Step 3: Cross multiply
71,768.74x = 107,582.84 × 26,757.16 - Step 4: Simplify right side
71,768.74x = 2,878,611,263.13 - Step 5: Solve for x
x = 2,878,611,263.13/71,768.74 - Step 6: Final answer
x = 40,109.54
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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.