Finding the Fourth Proportional to 86,605.92, 119,515.23 and 48,879.36
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Solution
The fourth proportional to 86,605.92, 119,515.23 and 48,879.36 is: 67,452.99
Step by Step Solution
- Step 1: Write the proportion equation
86,605.92 : 119,515.23 = 48,879.36 : x - Step 2: Convert to fraction form
86,605.92/119,515.23 = 48,879.36/x - Step 3: Cross multiply
86,605.92x = 119,515.23 × 48,879.36 - Step 4: Simplify right side
86,605.92x = 5,841,827,952.65 - Step 5: Solve for x
x = 5,841,827,952.65/86,605.92 - Step 6: Final answer
x = 67,452.99
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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.