Finding the Fourth Proportional to 88,310.09, 121,871.12 and 50,591.63
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Solution
The fourth proportional to 88,310.09, 121,871.12 and 50,591.63 is: 69,818.28
Step by Step Solution
- Step 1: Write the proportion equation
88,310.09 : 121,871.12 = 50,591.63 : x - Step 2: Convert to fraction form
88,310.09/121,871.12 = 50,591.63/x - Step 3: Cross multiply
88,310.09x = 121,871.12 × 50,591.63 - Step 4: Simplify right side
88,310.09x = 6,165,658,395.15 - Step 5: Solve for x
x = 6,165,658,395.15/88,310.09 - Step 6: Final answer
x = 69,818.28
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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.