Finding the Fourth Proportional to 87,891.42, 131,844.91 and 24,712.09
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Solution
The fourth proportional to 87,891.42, 131,844.91 and 24,712.09 is: 37,070.32
Step by Step Solution
- Step 1: Write the proportion equation
87,891.42 : 131,844.91 = 24,712.09 : x - Step 2: Convert to fraction form
87,891.42/131,844.91 = 24,712.09/x - Step 3: Cross multiply
87,891.42x = 131,844.91 × 24,712.09 - Step 4: Simplify right side
87,891.42x = 3,258,163,281.96 - Step 5: Solve for x
x = 3,258,163,281.96/87,891.42 - Step 6: Final answer
x = 37,070.32
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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.