Finding the Fourth Proportional to 75,779.36, 104,576.32 and 41,789.08
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Solution
The fourth proportional to 75,779.36, 104,576.32 and 41,789.08 is: 57,669.37
Step by Step Solution
- Step 1: Write the proportion equation
75,779.36 : 104,576.32 = 41,789.08 : x - Step 2: Convert to fraction form
75,779.36/104,576.32 = 41,789.08/x - Step 3: Cross multiply
75,779.36x = 104,576.32 × 41,789.08 - Step 4: Simplify right side
75,779.36x = 4,370,148,202.59 - Step 5: Solve for x
x = 4,370,148,202.59/75,779.36 - Step 6: Final answer
x = 57,669.37
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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.