Finding the Fourth Proportional to 84,157.18, 116,147.19 and 48,347.12
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Solution
The fourth proportional to 84,157.18, 116,147.19 and 48,347.12 is: 66,724.94
Step by Step Solution
- Step 1: Write the proportion equation
84,157.18 : 116,147.19 = 48,347.12 : x - Step 2: Convert to fraction form
84,157.18/116,147.19 = 48,347.12/x - Step 3: Cross multiply
84,157.18x = 116,147.19 × 48,347.12 - Step 4: Simplify right side
84,157.18x = 5,615,382,132.59 - Step 5: Solve for x
x = 5,615,382,132.59/84,157.18 - Step 6: Final answer
x = 66,724.94
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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.