Finding the Fourth Proportional to 84,262.68, 116,270.64 and 48,439.62
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Solution
The fourth proportional to 84,262.68, 116,270.64 and 48,439.62 is: 66,839.86
Step by Step Solution
- Step 1: Write the proportion equation
84,262.68 : 116,270.64 = 48,439.62 : x - Step 2: Convert to fraction form
84,262.68/116,270.64 = 48,439.62/x - Step 3: Cross multiply
84,262.68x = 116,270.64 × 48,439.62 - Step 4: Simplify right side
84,262.68x = 5,632,105,618.76 - Step 5: Solve for x
x = 5,632,105,618.76/84,262.68 - Step 6: Final answer
x = 66,839.86
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1.5x scale
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.