Finding the Fourth Proportional to 88,563.74, 122,215.51 and 48,278.29
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Solution
The fourth proportional to 88,563.74, 122,215.51 and 48,278.29 is: 66,622.70
Step by Step Solution
- Step 1: Write the proportion equation
88,563.74 : 122,215.51 = 48,278.29 : x - Step 2: Convert to fraction form
88,563.74/122,215.51 = 48,278.29/x - Step 3: Cross multiply
88,563.74x = 122,215.51 × 48,278.29 - Step 4: Simplify right side
88,563.74x = 5,900,355,834.28 - Step 5: Solve for x
x = 5,900,355,834.28/88,563.74 - Step 6: Final answer
x = 66,622.70
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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.