Finding the Fourth Proportional to 107,696.49, 161,544.77 and 48,462.96
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Solution
The fourth proportional to 107,696.49, 161,544.77 and 48,462.96 is: 72,694.45
Step by Step Solution
- Step 1: Write the proportion equation
107,696.49 : 161,544.77 = 48,462.96 : x - Step 2: Convert to fraction form
107,696.49/161,544.77 = 48,462.96/x - Step 3: Cross multiply
107,696.49x = 161,544.77 × 48,462.96 - Step 4: Simplify right side
107,696.49x = 7,828,937,484.40 - Step 5: Solve for x
x = 7,828,937,484.40/107,696.49 - Step 6: Final answer
x = 72,694.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.