Finding the Fourth Proportional to 75,576.49, 113,240.17 and 43,897.62
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Solution
The fourth proportional to 75,576.49, 113,240.17 and 43,897.62 is: 65,774.08
Step by Step Solution
- Step 1: Write the proportion equation
75,576.49 : 113,240.17 = 43,897.62 : x - Step 2: Convert to fraction form
75,576.49/113,240.17 = 43,897.62/x - Step 3: Cross multiply
75,576.49x = 113,240.17 × 43,897.62 - Step 4: Simplify right side
75,576.49x = 4,970,973,951.40 - Step 5: Solve for x
x = 4,970,973,951.40/75,576.49 - Step 6: Final answer
x = 65,774.08
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1.5x scale
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.