Finding the Fourth Proportional to 84,240.57, 116,243.19 and 48,435.75
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Solution
The fourth proportional to 84,240.57, 116,243.19 and 48,435.75 is: 66,836.28
Step by Step Solution
- Step 1: Write the proportion equation
84,240.57 : 116,243.19 = 48,435.75 : x - Step 2: Convert to fraction form
84,240.57/116,243.19 = 48,435.75/x - Step 3: Cross multiply
84,240.57x = 116,243.19 × 48,435.75 - Step 4: Simplify right side
84,240.57x = 5,630,326,090.04 - Step 5: Solve for x
x = 5,630,326,090.04/84,240.57 - Step 6: Final answer
x = 66,836.28
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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.