Finding the Fourth Proportional to 88,378.14, 121,959.84 and 48,092.01
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Solution
The fourth proportional to 88,378.14, 121,959.84 and 48,092.01 is: 66,365.89
Step by Step Solution
- Step 1: Write the proportion equation
88,378.14 : 121,959.84 = 48,092.01 : x - Step 2: Convert to fraction form
88,378.14/121,959.84 = 48,092.01/x - Step 3: Cross multiply
88,378.14x = 121,959.84 × 48,092.01 - Step 4: Simplify right side
88,378.14x = 5,865,293,844.88 - Step 5: Solve for x
x = 5,865,293,844.88/88,378.14 - Step 6: Final answer
x = 66,365.89
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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.