Finding the Fourth Proportional to 84,157.68, 116,147.88 and 48,347.62
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Solution
The fourth proportional to 84,157.68, 116,147.88 and 48,347.62 is: 66,725.62
Step by Step Solution
- Step 1: Write the proportion equation
84,157.68 : 116,147.88 = 48,347.62 : x - Step 2: Convert to fraction form
84,157.68/116,147.88 = 48,347.62/x - Step 3: Cross multiply
84,157.68x = 116,147.88 × 48,347.62 - Step 4: Simplify right side
84,157.68x = 5,615,473,566.05 - Step 5: Solve for x
x = 5,615,473,566.05/84,157.68 - Step 6: Final answer
x = 66,725.62
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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.