Finding the Fourth Proportional to 96,701.60, 133,441.53 and 53,677.73
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Solution
The fourth proportional to 96,701.60, 133,441.53 and 53,677.73 is: 74,071.56
Step by Step Solution
- Step 1: Write the proportion equation
96,701.60 : 133,441.53 = 53,677.73 : x - Step 2: Convert to fraction form
96,701.60/133,441.53 = 53,677.73/x - Step 3: Cross multiply
96,701.60x = 133,441.53 × 53,677.73 - Step 4: Simplify right side
96,701.60x = 7,162,838,418.13 - Step 5: Solve for x
x = 7,162,838,418.13/96,701.60 - Step 6: Final answer
x = 74,071.56
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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.