Finding the Fourth Proportional to 88,927.88, 122,758.26 and 55,410.44
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Solution
The fourth proportional to 88,927.88, 122,758.26 and 55,410.44 is: 76,489.95
Step by Step Solution
- Step 1: Write the proportion equation
88,927.88 : 122,758.26 = 55,410.44 : x - Step 2: Convert to fraction form
88,927.88/122,758.26 = 55,410.44/x - Step 3: Cross multiply
88,927.88x = 122,758.26 × 55,410.44 - Step 4: Simplify right side
88,927.88x = 6,802,089,200.23 - Step 5: Solve for x
x = 6,802,089,200.23/88,927.88 - Step 6: Final answer
x = 76,489.95
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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.