Finding the Fourth Proportional to 87,534.08, 120,783.92 and 49,288.08
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Solution
The fourth proportional to 87,534.08, 120,783.92 and 49,288.08 is: 68,010.17
Step by Step Solution
- Step 1: Write the proportion equation
87,534.08 : 120,783.92 = 49,288.08 : x - Step 2: Convert to fraction form
87,534.08/120,783.92 = 49,288.08/x - Step 3: Cross multiply
87,534.08x = 120,783.92 × 49,288.08 - Step 4: Simplify right side
87,534.08x = 5,953,207,511.67 - Step 5: Solve for x
x = 5,953,207,511.67/87,534.08 - Step 6: Final answer
x = 68,010.17
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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.