Finding the Fourth Proportional to 96,832.13, 133,631.79 and 54,389.75
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Solution
The fourth proportional to 96,832.13, 133,631.79 and 54,389.75 is: 75,059.79
Step by Step Solution
- Step 1: Write the proportion equation
96,832.13 : 133,631.79 = 54,389.75 : x - Step 2: Convert to fraction form
96,832.13/133,631.79 = 54,389.75/x - Step 3: Cross multiply
96,832.13x = 133,631.79 × 54,389.75 - Step 4: Simplify right side
96,832.13x = 7,268,199,650.15 - Step 5: Solve for x
x = 7,268,199,650.15/96,832.13 - Step 6: Final answer
x = 75,059.79
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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.