Finding the Fourth Proportional to 84,081.36, 126,130.68 and 48,582.48
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Solution
The fourth proportional to 84,081.36, 126,130.68 and 48,582.48 is: 72,878.71
Step by Step Solution
- Step 1: Write the proportion equation
84,081.36 : 126,130.68 = 48,582.48 : x - Step 2: Convert to fraction form
84,081.36/126,130.68 = 48,582.48/x - Step 3: Cross multiply
84,081.36x = 126,130.68 × 48,582.48 - Step 4: Simplify right side
84,081.36x = 6,127,741,238.49 - Step 5: Solve for x
x = 6,127,741,238.49/84,081.36 - Step 6: Final answer
x = 72,878.71
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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.