Finding the Fourth Proportional to 88,632.07, 122,315.34 and 48,348.07
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Solution
The fourth proportional to 88,632.07, 122,315.34 and 48,348.07 is: 66,722.02
Step by Step Solution
- Step 1: Write the proportion equation
88,632.07 : 122,315.34 = 48,348.07 : x - Step 2: Convert to fraction form
88,632.07/122,315.34 = 48,348.07/x - Step 3: Cross multiply
88,632.07x = 122,315.34 × 48,348.07 - Step 4: Simplify right side
88,632.07x = 5,913,710,620.39 - Step 5: Solve for x
x = 5,913,710,620.39/88,632.07 - Step 6: Final answer
x = 66,722.02
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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.