Finding the Fourth Proportional to 88,119.24, 121,601.25 and 47,832.14
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Solution
The fourth proportional to 88,119.24, 121,601.25 and 47,832.14 is: 66,006.56
Step by Step Solution
- Step 1: Write the proportion equation
88,119.24 : 121,601.25 = 47,832.14 : x - Step 2: Convert to fraction form
88,119.24/121,601.25 = 47,832.14/x - Step 3: Cross multiply
88,119.24x = 121,601.25 × 47,832.14 - Step 4: Simplify right side
88,119.24x = 5,816,448,014.18 - Step 5: Solve for x
x = 5,816,448,014.18/88,119.24 - Step 6: Final answer
x = 66,006.56
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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.