Finding the Fourth Proportional to 87,892.08, 121,260.96 and 49,647.12
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Solution
The fourth proportional to 87,892.08, 121,260.96 and 49,647.12 is: 68,496.02
Step by Step Solution
- Step 1: Write the proportion equation
87,892.08 : 121,260.96 = 49,647.12 : x - Step 2: Convert to fraction form
87,892.08/121,260.96 = 49,647.12/x - Step 3: Cross multiply
87,892.08x = 121,260.96 × 49,647.12 - Step 4: Simplify right side
87,892.08x = 6,020,257,432.44 - Step 5: Solve for x
x = 6,020,257,432.44/87,892.08 - Step 6: Final answer
x = 68,496.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.