Finding the Fourth Proportional to 75,461.91, 113,044.97 and 43,805.59
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Solution
The fourth proportional to 75,461.91, 113,044.97 and 43,805.59 is: 65,622.53
Step by Step Solution
- Step 1: Write the proportion equation
75,461.91 : 113,044.97 = 43,805.59 : x - Step 2: Convert to fraction form
75,461.91/113,044.97 = 43,805.59/x - Step 3: Cross multiply
75,461.91x = 113,044.97 × 43,805.59 - Step 4: Simplify right side
75,461.91x = 4,952,001,823.76 - Step 5: Solve for x
x = 4,952,001,823.76/75,461.91 - Step 6: Final answer
x = 65,622.53
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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.