Finding the Fourth Proportional to 96,069.18, 132,581.61 and 53,627.70
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Solution
The fourth proportional to 96,069.18, 132,581.61 and 53,627.70 is: 74,009.65
Step by Step Solution
- Step 1: Write the proportion equation
96,069.18 : 132,581.61 = 53,627.70 : x - Step 2: Convert to fraction form
96,069.18/132,581.61 = 53,627.70/x - Step 3: Cross multiply
96,069.18x = 132,581.61 × 53,627.70 - Step 4: Simplify right side
96,069.18x = 7,110,046,806.60 - Step 5: Solve for x
x = 7,110,046,806.60/96,069.18 - Step 6: Final answer
x = 74,009.65
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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.