Finding the Fourth Proportional to 75,699.15, 113,401.10 and 65,168.75
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Solution
The fourth proportional to 75,699.15, 113,401.10 and 65,168.75 is: 97,626.02
Step by Step Solution
- Step 1: Write the proportion equation
75,699.15 : 113,401.10 = 65,168.75 : x - Step 2: Convert to fraction form
75,699.15/113,401.10 = 65,168.75/x - Step 3: Cross multiply
75,699.15x = 113,401.10 × 65,168.75 - Step 4: Simplify right side
75,699.15x = 7,390,207,042.78 - Step 5: Solve for x
x = 7,390,207,042.78/75,699.15 - Step 6: Final answer
x = 97,626.02
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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.