Finding the Fourth Proportional to 88,582.05, 132,873.08 and 84,742.65
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Solution
The fourth proportional to 88,582.05, 132,873.08 and 84,742.65 is: 127,113.98
Step by Step Solution
- Step 1: Write the proportion equation
88,582.05 : 132,873.08 = 84,742.65 : x - Step 2: Convert to fraction form
88,582.05/132,873.08 = 84,742.65/x - Step 3: Cross multiply
88,582.05x = 132,873.08 × 84,742.65 - Step 4: Simplify right side
88,582.05x = 11,260,016,489.15 - Step 5: Solve for x
x = 11,260,016,489.15/88,582.05 - Step 6: Final answer
x = 127,113.98
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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.