Finding the Fourth Proportional to 84,576.56, 116,720.19 and 48,768.08
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Solution
The fourth proportional to 84,576.56, 116,720.19 and 48,768.08 is: 67,302.56
Step by Step Solution
- Step 1: Write the proportion equation
84,576.56 : 116,720.19 = 48,768.08 : x - Step 2: Convert to fraction form
84,576.56/116,720.19 = 48,768.08/x - Step 3: Cross multiply
84,576.56x = 116,720.19 × 48,768.08 - Step 4: Simplify right side
84,576.56x = 5,692,218,979.93 - Step 5: Solve for x
x = 5,692,218,979.93/84,576.56 - Step 6: Final answer
x = 67,302.56
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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.