Finding the Fourth Proportional to 71,149.76, 106,727.52 and 26,771.84
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Solution
The fourth proportional to 71,149.76, 106,727.52 and 26,771.84 is: 40,158.84
Step by Step Solution
- Step 1: Write the proportion equation
71,149.76 : 106,727.52 = 26,771.84 : x - Step 2: Convert to fraction form
71,149.76/106,727.52 = 26,771.84/x - Step 3: Cross multiply
71,149.76x = 106,727.52 × 26,771.84 - Step 4: Simplify right side
71,149.76x = 2,857,292,089.04 - Step 5: Solve for x
x = 2,857,292,089.04/71,149.76 - Step 6: Final answer
x = 40,158.84
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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.