Finding the Fourth Proportional to 75,779.44, 113,533.44 and 46,181.68
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Solution
The fourth proportional to 75,779.44, 113,533.44 and 46,181.68 is: 69,189.81
Step by Step Solution
- Step 1: Write the proportion equation
75,779.44 : 113,533.44 = 46,181.68 : x - Step 2: Convert to fraction form
75,779.44/113,533.44 = 46,181.68/x - Step 3: Cross multiply
75,779.44x = 113,533.44 × 46,181.68 - Step 4: Simplify right side
75,779.44x = 5,243,164,995.38 - Step 5: Solve for x
x = 5,243,164,995.38/75,779.44 - Step 6: Final answer
x = 69,189.81
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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.