Finding the Fourth Proportional to 89,524.68, 123,544.88 and 48,689.18
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Solution
The fourth proportional to 89,524.68, 123,544.88 and 48,689.18 is: 67,191.52
Step by Step Solution
- Step 1: Write the proportion equation
89,524.68 : 123,544.88 = 48,689.18 : x - Step 2: Convert to fraction form
89,524.68/123,544.88 = 48,689.18/x - Step 3: Cross multiply
89,524.68x = 123,544.88 × 48,689.18 - Step 4: Simplify right side
89,524.68x = 6,015,298,900.40 - Step 5: Solve for x
x = 6,015,298,900.40/89,524.68 - Step 6: Final answer
x = 67,191.52
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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.