Finding the Fourth Proportional to 79,818.44, 119,023.48 and 75,894.08
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Solution
The fourth proportional to 79,818.44, 119,023.48 and 75,894.08 is: 113,171.56
Step by Step Solution
- Step 1: Write the proportion equation
79,818.44 : 119,023.48 = 75,894.08 : x - Step 2: Convert to fraction form
79,818.44/119,023.48 = 75,894.08/x - Step 3: Cross multiply
79,818.44x = 119,023.48 × 75,894.08 - Step 4: Simplify right side
79,818.44x = 9,033,177,012.75 - Step 5: Solve for x
x = 9,033,177,012.75/79,818.44 - Step 6: Final answer
x = 113,171.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.