Finding the Fourth Proportional to 88,277.71, 121,825.59 and 47,994.19
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Solution
The fourth proportional to 88,277.71, 121,825.59 and 47,994.19 is: 66,233.26
Step by Step Solution
- Step 1: Write the proportion equation
88,277.71 : 121,825.59 = 47,994.19 : x - Step 2: Convert to fraction form
88,277.71/121,825.59 = 47,994.19/x - Step 3: Cross multiply
88,277.71x = 121,825.59 × 47,994.19 - Step 4: Simplify right side
88,277.71x = 5,846,919,904.19 - Step 5: Solve for x
x = 5,846,919,904.19/88,277.71 - Step 6: Final answer
x = 66,233.26
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1.5x scale
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.