Finding the Fourth Proportional to 90,062.62, 135,093.73 and 84,582.13
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Solution
The fourth proportional to 90,062.62, 135,093.73 and 84,582.13 is: 126,873.00
Step by Step Solution
- Step 1: Write the proportion equation
90,062.62 : 135,093.73 = 84,582.13 : x - Step 2: Convert to fraction form
90,062.62/135,093.73 = 84,582.13/x - Step 3: Cross multiply
90,062.62x = 135,093.73 × 84,582.13 - Step 4: Simplify right side
90,062.62x = 11,426,514,334.67 - Step 5: Solve for x
x = 11,426,514,334.67/90,062.62 - Step 6: Final answer
x = 126,873.00
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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.