Finding the Fourth Proportional to 88,772.13, 122,508.22 and 48,488.07
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Solution
The fourth proportional to 88,772.13, 122,508.22 and 48,488.07 is: 66,914.99
Step by Step Solution
- Step 1: Write the proportion equation
88,772.13 : 122,508.22 = 48,488.07 : x - Step 2: Convert to fraction form
88,772.13/122,508.22 = 48,488.07/x - Step 3: Cross multiply
88,772.13x = 122,508.22 × 48,488.07 - Step 4: Simplify right side
88,772.13x = 5,940,186,655.61 - Step 5: Solve for x
x = 5,940,186,655.61/88,772.13 - Step 6: Final answer
x = 66,914.99
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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.