Finding the Fourth Proportional to 79,888.36, 119,751.49 and 51,826.32
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Solution
The fourth proportional to 79,888.36, 119,751.49 and 51,826.32 is: 77,686.90
Step by Step Solution
- Step 1: Write the proportion equation
79,888.36 : 119,751.49 = 51,826.32 : x - Step 2: Convert to fraction form
79,888.36/119,751.49 = 51,826.32/x - Step 3: Cross multiply
79,888.36x = 119,751.49 × 51,826.32 - Step 4: Simplify right side
79,888.36x = 6,206,279,041.22 - Step 5: Solve for x
x = 6,206,279,041.22/79,888.36 - Step 6: Final answer
x = 77,686.90
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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.