Finding the Fourth Proportional to 88,868.94, 122,634.16 and 48,574.68
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Solution
The fourth proportional to 88,868.94, 122,634.16 and 48,574.68 is: 67,030.34
Step by Step Solution
- Step 1: Write the proportion equation
88,868.94 : 122,634.16 = 48,574.68 : x - Step 2: Convert to fraction form
88,868.94/122,634.16 = 48,574.68/x - Step 3: Cross multiply
88,868.94x = 122,634.16 × 48,574.68 - Step 4: Simplify right side
88,868.94x = 5,956,915,079.07 - Step 5: Solve for x
x = 5,956,915,079.07/88,868.94 - Step 6: Final answer
x = 67,030.34
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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.