Finding the Fourth Proportional to 88,657.12, 122,347.02 and 48,370.96
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Solution
The fourth proportional to 88,657.12, 122,347.02 and 48,370.96 is: 66,752.03
Step by Step Solution
- Step 1: Write the proportion equation
88,657.12 : 122,347.02 = 48,370.96 : x - Step 2: Convert to fraction form
88,657.12/122,347.02 = 48,370.96/x - Step 3: Cross multiply
88,657.12x = 122,347.02 × 48,370.96 - Step 4: Simplify right side
88,657.12x = 5,918,042,810.54 - Step 5: Solve for x
x = 5,918,042,810.54/88,657.12 - Step 6: Final answer
x = 66,752.03
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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.