Finding the Fourth Proportional to 96,521.67, 133,203.56 and 54,078.75
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Solution
The fourth proportional to 96,521.67, 133,203.56 and 54,078.75 is: 74,630.72
Step by Step Solution
- Step 1: Write the proportion equation
96,521.67 : 133,203.56 = 54,078.75 : x - Step 2: Convert to fraction form
96,521.67/133,203.56 = 54,078.75/x - Step 3: Cross multiply
96,521.67x = 133,203.56 × 54,078.75 - Step 4: Simplify right side
96,521.67x = 7,203,481,749.96 - Step 5: Solve for x
x = 7,203,481,749.96/96,521.67 - Step 6: Final answer
x = 74,630.72
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1.5x scale
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.