Finding the Fourth Proportional to 84,359.19, 116,420.79 and 48,548.42
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Solution
The fourth proportional to 84,359.19, 116,420.79 and 48,548.42 is: 66,999.76
Step by Step Solution
- Step 1: Write the proportion equation
84,359.19 : 116,420.79 = 48,548.42 : x - Step 2: Convert to fraction form
84,359.19/116,420.79 = 48,548.42/x - Step 3: Cross multiply
84,359.19x = 116,420.79 × 48,548.42 - Step 4: Simplify right side
84,359.19x = 5,652,045,409.65 - Step 5: Solve for x
x = 5,652,045,409.65/84,359.19 - Step 6: Final answer
x = 66,999.76
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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.