Finding the Fourth Proportional to 80,336.76, 110,864.74 and 48,513.48
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Solution
The fourth proportional to 80,336.76, 110,864.74 and 48,513.48 is: 66,948.61
Step by Step Solution
- Step 1: Write the proportion equation
80,336.76 : 110,864.74 = 48,513.48 : x - Step 2: Convert to fraction form
80,336.76/110,864.74 = 48,513.48/x - Step 3: Cross multiply
80,336.76x = 110,864.74 × 48,513.48 - Step 4: Simplify right side
80,336.76x = 5,378,434,346.70 - Step 5: Solve for x
x = 5,378,434,346.70/80,336.76 - Step 6: Final answer
x = 66,948.61
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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.