Finding the Fourth Proportional to 88,858.16, 122,620.88 and 48,571.56
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Solution
The fourth proportional to 88,858.16, 122,620.88 and 48,571.56 is: 67,026.90
Step by Step Solution
- Step 1: Write the proportion equation
88,858.16 : 122,620.88 = 48,571.56 : x - Step 2: Convert to fraction form
88,858.16/122,620.88 = 48,571.56/x - Step 3: Cross multiply
88,858.16x = 122,620.88 × 48,571.56 - Step 4: Simplify right side
88,858.16x = 5,955,887,430.17 - Step 5: Solve for x
x = 5,955,887,430.17/88,858.16 - Step 6: Final answer
x = 67,026.90
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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.