Finding the Fourth Proportional to 88,779.96, 122,517.36 and 48,494.88
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Solution
The fourth proportional to 88,779.96, 122,517.36 and 48,494.88 is: 66,923.49
Step by Step Solution
- Step 1: Write the proportion equation
88,779.96 : 122,517.36 = 48,494.88 : x - Step 2: Convert to fraction form
88,779.96/122,517.36 = 48,494.88/x - Step 3: Cross multiply
88,779.96x = 122,517.36 × 48,494.88 - Step 4: Simplify right side
88,779.96x = 5,941,464,671.12 - Step 5: Solve for x
x = 5,941,464,671.12/88,779.96 - Step 6: Final answer
x = 66,923.49
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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.