Finding the Fourth Proportional to 88,986.26, 122,799.39 and 48,699.20
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Solution
The fourth proportional to 88,986.26, 122,799.39 and 48,699.20 is: 67,203.99
Step by Step Solution
- Step 1: Write the proportion equation
88,986.26 : 122,799.39 = 48,699.20 : x - Step 2: Convert to fraction form
88,986.26/122,799.39 = 48,699.20/x - Step 3: Cross multiply
88,986.26x = 122,799.39 × 48,699.20 - Step 4: Simplify right side
88,986.26x = 5,980,232,053.49 - Step 5: Solve for x
x = 5,980,232,053.49/88,986.26 - Step 6: Final answer
x = 67,203.99
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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.