Finding the Fourth Proportional to 75,396.92, 113,134.26 and 31,056.44
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Solution
The fourth proportional to 75,396.92, 113,134.26 and 31,056.44 is: 46,600.67
Step by Step Solution
- Step 1: Write the proportion equation
75,396.92 : 113,134.26 = 31,056.44 : x - Step 2: Convert to fraction form
75,396.92/113,134.26 = 31,056.44/x - Step 3: Cross multiply
75,396.92x = 113,134.26 × 31,056.44 - Step 4: Simplify right side
75,396.92x = 3,513,547,357.63 - Step 5: Solve for x
x = 3,513,547,357.63/75,396.92 - Step 6: Final answer
x = 46,600.67
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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.