Finding the Fourth Proportional to 88,006.08, 121,446.90 and 49,765.02
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Solution
The fourth proportional to 88,006.08, 121,446.90 and 49,765.02 is: 68,674.88
Step by Step Solution
- Step 1: Write the proportion equation
88,006.08 : 121,446.90 = 49,765.02 : x - Step 2: Convert to fraction form
88,006.08/121,446.90 = 49,765.02/x - Step 3: Cross multiply
88,006.08x = 121,446.90 × 49,765.02 - Step 4: Simplify right side
88,006.08x = 6,043,807,407.44 - Step 5: Solve for x
x = 6,043,807,407.44/88,006.08 - Step 6: Final answer
x = 68,674.88
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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.