Finding the Fourth Proportional to 90,884.97, 125,425.26 and 50,597.19
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Solution
The fourth proportional to 90,884.97, 125,425.26 and 50,597.19 is: 69,826.35
Step by Step Solution
- Step 1: Write the proportion equation
90,884.97 : 125,425.26 = 50,597.19 : x - Step 2: Convert to fraction form
90,884.97/125,425.26 = 50,597.19/x - Step 3: Cross multiply
90,884.97x = 125,425.26 × 50,597.19 - Step 4: Simplify right side
90,884.97x = 6,346,165,711.02 - Step 5: Solve for x
x = 6,346,165,711.02/90,884.97 - Step 6: Final answer
x = 69,826.35
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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.