Finding the Fourth Proportional to 88,498.19, 122,126.09 and 48,212.44
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Solution
The fourth proportional to 88,498.19, 122,126.09 and 48,212.44 is: 66,532.39
Step by Step Solution
- Step 1: Write the proportion equation
88,498.19 : 122,126.09 = 48,212.44 : x - Step 2: Convert to fraction form
88,498.19/122,126.09 = 48,212.44/x - Step 3: Cross multiply
88,498.19x = 122,126.09 × 48,212.44 - Step 4: Simplify right side
88,498.19x = 5,887,996,240.18 - Step 5: Solve for x
x = 5,887,996,240.18/88,498.19 - Step 6: Final answer
x = 66,532.39
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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.