Finding the Fourth Proportional to 75,812.36, 113,498.28 and 44,125.70
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Solution
The fourth proportional to 75,812.36, 113,498.28 and 44,125.70 is: 66,060.35
Step by Step Solution
- Step 1: Write the proportion equation
75,812.36 : 113,498.28 = 44,125.70 : x - Step 2: Convert to fraction form
75,812.36/113,498.28 = 44,125.70/x - Step 3: Cross multiply
75,812.36x = 113,498.28 × 44,125.70 - Step 4: Simplify right side
75,812.36x = 5,008,190,486.30 - Step 5: Solve for x
x = 5,008,190,486.30/75,812.36 - Step 6: Final answer
x = 66,060.35
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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.