Finding the Fourth Proportional to 68,108.26, 102,161.36 and 30,641.88
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Solution
The fourth proportional to 68,108.26, 102,161.36 and 30,641.88 is: 45,962.35
Step by Step Solution
- Step 1: Write the proportion equation
68,108.26 : 102,161.36 = 30,641.88 : x - Step 2: Convert to fraction form
68,108.26/102,161.36 = 30,641.88/x - Step 3: Cross multiply
68,108.26x = 102,161.36 × 30,641.88 - Step 4: Simplify right side
68,108.26x = 3,130,415,699.55 - Step 5: Solve for x
x = 3,130,415,699.55/68,108.26 - Step 6: Final answer
x = 45,962.35
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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.