Finding the Fourth Proportional to 75,965.96, 113,947.68 and 29,228.96
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Solution
The fourth proportional to 75,965.96, 113,947.68 and 29,228.96 is: 43,842.96
Step by Step Solution
- Step 1: Write the proportion equation
75,965.96 : 113,947.68 = 29,228.96 : x - Step 2: Convert to fraction form
75,965.96/113,947.68 = 29,228.96/x - Step 3: Cross multiply
75,965.96x = 113,947.68 × 29,228.96 - Step 4: Simplify right side
75,965.96x = 3,330,572,180.81 - Step 5: Solve for x
x = 3,330,572,180.81/75,965.96 - Step 6: Final answer
x = 43,842.96
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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.