Finding the Fourth Proportional to 88,119.36, 121,605.60 and 47,833.44
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Solution
The fourth proportional to 88,119.36, 121,605.60 and 47,833.44 is: 66,010.63
Step by Step Solution
- Step 1: Write the proportion equation
88,119.36 : 121,605.60 = 47,833.44 : x - Step 2: Convert to fraction form
88,119.36/121,605.60 = 47,833.44/x - Step 3: Cross multiply
88,119.36x = 121,605.60 × 47,833.44 - Step 4: Simplify right side
88,119.36x = 5,816,814,171.26 - Step 5: Solve for x
x = 5,816,814,171.26/88,119.36 - Step 6: Final answer
x = 66,010.63
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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.