Finding the Fourth Proportional to 89,879.96, 134,808.18 and 26,698.84
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Solution
The fourth proportional to 89,879.96, 134,808.18 and 26,698.84 is: 40,044.77
Step by Step Solution
- Step 1: Write the proportion equation
89,879.96 : 134,808.18 = 26,698.84 : x - Step 2: Convert to fraction form
89,879.96/134,808.18 = 26,698.84/x - Step 3: Cross multiply
89,879.96x = 134,808.18 × 26,698.84 - Step 4: Simplify right side
89,879.96x = 3,599,222,028.51 - Step 5: Solve for x
x = 3,599,222,028.51/89,879.96 - Step 6: Final answer
x = 40,044.77
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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.