Finding the Fourth Proportional to 96,624.09, 133,344.63 and 56,331.05
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Solution
The fourth proportional to 96,624.09, 133,344.63 and 56,331.05 is: 77,738.82
Step by Step Solution
- Step 1: Write the proportion equation
96,624.09 : 133,344.63 = 56,331.05 : x - Step 2: Convert to fraction form
96,624.09/133,344.63 = 56,331.05/x - Step 3: Cross multiply
96,624.09x = 133,344.63 × 56,331.05 - Step 4: Simplify right side
96,624.09x = 7,511,442,353.04 - Step 5: Solve for x
x = 7,511,442,353.04/96,624.09 - Step 6: Final answer
x = 77,738.82
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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.