Finding the Fourth Proportional to 88,655.11, 122,343.75 and 48,368.88
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Solution
The fourth proportional to 88,655.11, 122,343.75 and 48,368.88 is: 66,748.89
Step by Step Solution
- Step 1: Write the proportion equation
88,655.11 : 122,343.75 = 48,368.88 : x - Step 2: Convert to fraction form
88,655.11/122,343.75 = 48,368.88/x - Step 3: Cross multiply
88,655.11x = 122,343.75 × 48,368.88 - Step 4: Simplify right side
88,655.11x = 5,917,630,162.50 - Step 5: Solve for x
x = 5,917,630,162.50/88,655.11 - Step 6: Final answer
x = 66,748.89
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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.