Finding the Fourth Proportional to 86,826.51, 119,794.14 and 48,582.09
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Solution
The fourth proportional to 86,826.51, 119,794.14 and 48,582.09 is: 67,028.49
Step by Step Solution
- Step 1: Write the proportion equation
86,826.51 : 119,794.14 = 48,582.09 : x - Step 2: Convert to fraction form
86,826.51/119,794.14 = 48,582.09/x - Step 3: Cross multiply
86,826.51x = 119,794.14 × 48,582.09 - Step 4: Simplify right side
86,826.51x = 5,819,849,690.95 - Step 5: Solve for x
x = 5,819,849,690.95/86,826.51 - Step 6: Final answer
x = 67,028.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.