Finding the Fourth Proportional to 75,130.96, 103,687.68 and 41,596.96
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Solution
The fourth proportional to 75,130.96, 103,687.68 and 41,596.96 is: 57,407.66
Step by Step Solution
- Step 1: Write the proportion equation
75,130.96 : 103,687.68 = 41,596.96 : x - Step 2: Convert to fraction form
75,130.96/103,687.68 = 41,596.96/x - Step 3: Cross multiply
75,130.96x = 103,687.68 × 41,596.96 - Step 4: Simplify right side
75,130.96x = 4,313,092,277.45 - Step 5: Solve for x
x = 4,313,092,277.45/75,130.96 - Step 6: Final answer
x = 57,407.66
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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.