Finding the Fourth Proportional to 88,922.20, 122,723.22 and 51,203.80
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Solution
The fourth proportional to 88,922.20, 122,723.22 and 51,203.80 is: 70,667.34
Step by Step Solution
- Step 1: Write the proportion equation
88,922.20 : 122,723.22 = 51,203.80 : x - Step 2: Convert to fraction form
88,922.20/122,723.22 = 51,203.80/x - Step 3: Cross multiply
88,922.20x = 122,723.22 × 51,203.80 - Step 4: Simplify right side
88,922.20x = 6,283,895,212.24 - Step 5: Solve for x
x = 6,283,895,212.24/88,922.20 - Step 6: Final answer
x = 70,667.34
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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.