Finding the Fourth Proportional to 75,577.12, 113,317.08 and 36,133.36
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Solution
The fourth proportional to 75,577.12, 113,317.08 and 36,133.36 is: 54,176.80
Step by Step Solution
- Step 1: Write the proportion equation
75,577.12 : 113,317.08 = 36,133.36 : x - Step 2: Convert to fraction form
75,577.12/113,317.08 = 36,133.36/x - Step 3: Cross multiply
75,577.12x = 113,317.08 × 36,133.36 - Step 4: Simplify right side
75,577.12x = 4,094,526,845.79 - Step 5: Solve for x
x = 4,094,526,845.79/75,577.12 - Step 6: Final answer
x = 54,176.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.