Finding the Fourth Proportional to 96,153.19, 132,693.51 and 53,711.80
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Solution
The fourth proportional to 96,153.19, 132,693.51 and 53,711.80 is: 74,123.46
Step by Step Solution
- Step 1: Write the proportion equation
96,153.19 : 132,693.51 = 53,711.80 : x - Step 2: Convert to fraction form
96,153.19/132,693.51 = 53,711.80/x - Step 3: Cross multiply
96,153.19x = 132,693.51 × 53,711.80 - Step 4: Simplify right side
96,153.19x = 7,127,207,270.42 - Step 5: Solve for x
x = 7,127,207,270.42/96,153.19 - Step 6: Final answer
x = 74,123.46
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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.