Finding the Fourth Proportional to 86,497.88, 119,366.86 and 48,771.88
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Solution
The fourth proportional to 86,497.88, 119,366.86 and 48,771.88 is: 67,305.07
Step by Step Solution
- Step 1: Write the proportion equation
86,497.88 : 119,366.86 = 48,771.88 : x - Step 2: Convert to fraction form
86,497.88/119,366.86 = 48,771.88/x - Step 3: Cross multiply
86,497.88x = 119,366.86 × 48,771.88 - Step 4: Simplify right side
86,497.88x = 5,821,746,171.90 - Step 5: Solve for x
x = 5,821,746,171.90/86,497.88 - Step 6: Final answer
x = 67,305.07
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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.