Finding the Fourth Proportional to 84,604.44, 126,821.21 and 53,036.63
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Solution
The fourth proportional to 84,604.44, 126,821.21 and 53,036.63 is: 79,501.38
Step by Step Solution
- Step 1: Write the proportion equation
84,604.44 : 126,821.21 = 53,036.63 : x - Step 2: Convert to fraction form
84,604.44/126,821.21 = 53,036.63/x - Step 3: Cross multiply
84,604.44x = 126,821.21 × 53,036.63 - Step 4: Simplify right side
84,604.44x = 6,726,169,590.92 - Step 5: Solve for x
x = 6,726,169,590.92/84,604.44 - Step 6: Final answer
x = 79,501.38
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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.