Finding the Fourth Proportional to 88,609.23, 122,280.30 and 48,322.26
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Solution
The fourth proportional to 88,609.23, 122,280.30 and 48,322.26 is: 66,684.48
Step by Step Solution
- Step 1: Write the proportion equation
88,609.23 : 122,280.30 = 48,322.26 : x - Step 2: Convert to fraction form
88,609.23/122,280.30 = 48,322.26/x - Step 3: Cross multiply
88,609.23x = 122,280.30 × 48,322.26 - Step 4: Simplify right side
88,609.23x = 5,908,860,449.48 - Step 5: Solve for x
x = 5,908,860,449.48/88,609.23 - Step 6: Final answer
x = 66,684.48
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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.