Finding the Fourth Proportional to 79,403.18, 119,115.14 and 41,964.70
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Solution
The fourth proportional to 79,403.18, 119,115.14 and 41,964.70 is: 62,952.53
Step by Step Solution
- Step 1: Write the proportion equation
79,403.18 : 119,115.14 = 41,964.70 : x - Step 2: Convert to fraction form
79,403.18/119,115.14 = 41,964.70/x - Step 3: Cross multiply
79,403.18x = 119,115.14 × 41,964.70 - Step 4: Simplify right side
79,403.18x = 4,998,631,115.56 - Step 5: Solve for x
x = 4,998,631,115.56/79,403.18 - Step 6: Final answer
x = 62,952.53
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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.