Finding the Fourth Proportional to 88,765.67, 122,497.31 and 48,478.70
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Solution
The fourth proportional to 88,765.67, 122,497.31 and 48,478.70 is: 66,900.98
Step by Step Solution
- Step 1: Write the proportion equation
88,765.67 : 122,497.31 = 48,478.70 : x - Step 2: Convert to fraction form
88,765.67/122,497.31 = 48,478.70/x - Step 3: Cross multiply
88,765.67x = 122,497.31 × 48,478.70 - Step 4: Simplify right side
88,765.67x = 5,938,510,342.30 - Step 5: Solve for x
x = 5,938,510,342.30/88,765.67 - Step 6: Final answer
x = 66,900.98
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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.