Finding the Fourth Proportional to 93,605.40, 129,232.62 and 60,930.96
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Solution
The fourth proportional to 93,605.40, 129,232.62 and 60,930.96 is: 84,121.94
Step by Step Solution
- Step 1: Write the proportion equation
93,605.40 : 129,232.62 = 60,930.96 : x - Step 2: Convert to fraction form
93,605.40/129,232.62 = 60,930.96/x - Step 3: Cross multiply
93,605.40x = 129,232.62 × 60,930.96 - Step 4: Simplify right side
93,605.40x = 7,874,267,599.92 - Step 5: Solve for x
x = 7,874,267,599.92/93,605.40 - Step 6: Final answer
x = 84,121.94
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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.