Finding the Fourth Proportional to 87,727.44, 131,560.08 and 28,552.08
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Solution
The fourth proportional to 87,727.44, 131,560.08 and 28,552.08 is: 42,818.00
Step by Step Solution
- Step 1: Write the proportion equation
87,727.44 : 131,560.08 = 28,552.08 : x - Step 2: Convert to fraction form
87,727.44/131,560.08 = 28,552.08/x - Step 3: Cross multiply
87,727.44x = 131,560.08 × 28,552.08 - Step 4: Simplify right side
87,727.44x = 3,756,313,928.97 - Step 5: Solve for x
x = 3,756,313,928.97/87,727.44 - Step 6: Final answer
x = 42,818.00
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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.