Finding the Fourth Proportional to 86,444.74, 119,292.10 and 48,718.99
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Solution
The fourth proportional to 86,444.74, 119,292.10 and 48,718.99 is: 67,231.28
Step by Step Solution
- Step 1: Write the proportion equation
86,444.74 : 119,292.10 = 48,718.99 : x - Step 2: Convert to fraction form
86,444.74/119,292.10 = 48,718.99/x - Step 3: Cross multiply
86,444.74x = 119,292.10 × 48,718.99 - Step 4: Simplify right side
86,444.74x = 5,811,790,626.98 - Step 5: Solve for x
x = 5,811,790,626.98/86,444.74 - Step 6: Final answer
x = 67,231.28
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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.