Finding the Fourth Proportional to 88,277.55, 121,825.42 and 47,994.09
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Solution
The fourth proportional to 88,277.55, 121,825.42 and 47,994.09 is: 66,233.15
Step by Step Solution
- Step 1: Write the proportion equation
88,277.55 : 121,825.42 = 47,994.09 : x - Step 2: Convert to fraction form
88,277.55/121,825.42 = 47,994.09/x - Step 3: Cross multiply
88,277.55x = 121,825.42 × 47,994.09 - Step 4: Simplify right side
88,277.55x = 5,846,899,594.94 - Step 5: Solve for x
x = 5,846,899,594.94/88,277.55 - Step 6: Final answer
x = 66,233.15
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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.