Finding the Fourth Proportional to 84,549.42, 116,678.30 and 48,741.84
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Solution
The fourth proportional to 84,549.42, 116,678.30 and 48,741.84 is: 67,263.80
Step by Step Solution
- Step 1: Write the proportion equation
84,549.42 : 116,678.30 = 48,741.84 : x - Step 2: Convert to fraction form
84,549.42/116,678.30 = 48,741.84/x - Step 3: Cross multiply
84,549.42x = 116,678.30 × 48,741.84 - Step 4: Simplify right side
84,549.42x = 5,687,115,030.07 - Step 5: Solve for x
x = 5,687,115,030.07/84,549.42 - Step 6: Final answer
x = 67,263.80
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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.