Finding the Fourth Proportional to 79,754.36, 119,450.21 and 61,841.48
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Solution
The fourth proportional to 79,754.36, 119,450.21 and 61,841.48 is: 92,621.61
Step by Step Solution
- Step 1: Write the proportion equation
79,754.36 : 119,450.21 = 61,841.48 : x - Step 2: Convert to fraction form
79,754.36/119,450.21 = 61,841.48/x - Step 3: Cross multiply
79,754.36x = 119,450.21 × 61,841.48 - Step 4: Simplify right side
79,754.36x = 7,386,976,866.25 - Step 5: Solve for x
x = 7,386,976,866.25/79,754.36 - Step 6: Final answer
x = 92,621.61
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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.