Finding the Fourth Proportional to 88,278.71, 121,826.97 and 47,995.19
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Solution
The fourth proportional to 88,278.71, 121,826.97 and 47,995.19 is: 66,234.64
Step by Step Solution
- Step 1: Write the proportion equation
88,278.71 : 121,826.97 = 47,995.19 : x - Step 2: Convert to fraction form
88,278.71/121,826.97 = 47,995.19/x - Step 3: Cross multiply
88,278.71x = 121,826.97 × 47,995.19 - Step 4: Simplify right side
88,278.71x = 5,847,107,963.14 - Step 5: Solve for x
x = 5,847,107,963.14/88,278.71 - Step 6: Final answer
x = 66,234.64
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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.