Finding the Fourth Proportional to 79,920.44, 119,886.58 and 22,992.05
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Solution
The fourth proportional to 79,920.44, 119,886.58 and 22,992.05 is: 34,489.78
Step by Step Solution
- Step 1: Write the proportion equation
79,920.44 : 119,886.58 = 22,992.05 : x - Step 2: Convert to fraction form
79,920.44/119,886.58 = 22,992.05/x - Step 3: Cross multiply
79,920.44x = 119,886.58 × 22,992.05 - Step 4: Simplify right side
79,920.44x = 2,756,438,570.15 - Step 5: Solve for x
x = 2,756,438,570.15/79,920.44 - Step 6: Final answer
x = 34,489.78
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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.