Finding the Fourth Proportional to 88,125.63, 121,676.58 and 54,179.67
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Solution
The fourth proportional to 88,125.63, 121,676.58 and 54,179.67 is: 74,806.81
Step by Step Solution
- Step 1: Write the proportion equation
88,125.63 : 121,676.58 = 54,179.67 : x - Step 2: Convert to fraction form
88,125.63/121,676.58 = 54,179.67/x - Step 3: Cross multiply
88,125.63x = 121,676.58 × 54,179.67 - Step 4: Simplify right side
88,125.63x = 6,592,396,951.13 - Step 5: Solve for x
x = 6,592,396,951.13/88,125.63 - Step 6: Final answer
x = 74,806.81
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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.