Finding the Fourth Proportional to 96,291.83, 132,916.12 and 66,176.84
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Solution
The fourth proportional to 96,291.83, 132,916.12 and 66,176.84 is: 91,346.99
Step by Step Solution
- Step 1: Write the proportion equation
96,291.83 : 132,916.12 = 66,176.84 : x - Step 2: Convert to fraction form
96,291.83/132,916.12 = 66,176.84/x - Step 3: Cross multiply
96,291.83x = 132,916.12 × 66,176.84 - Step 4: Simplify right side
96,291.83x = 8,795,967,976.64 - Step 5: Solve for x
x = 8,795,967,976.64/96,291.83 - Step 6: Final answer
x = 91,346.99
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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.