Finding the Fourth Proportional to 87,992.83, 131,915.08 and 59,833.99
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Solution
The fourth proportional to 87,992.83, 131,915.08 and 59,833.99 is: 89,700.55
Step by Step Solution
- Step 1: Write the proportion equation
87,992.83 : 131,915.08 = 59,833.99 : x - Step 2: Convert to fraction form
87,992.83/131,915.08 = 59,833.99/x - Step 3: Cross multiply
87,992.83x = 131,915.08 × 59,833.99 - Step 4: Simplify right side
87,992.83x = 7,893,005,577.57 - Step 5: Solve for x
x = 7,893,005,577.57/87,992.83 - Step 6: Final answer
x = 89,700.55
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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.