Finding the Fourth Proportional to 75,638.49, 113,444.79 and 25,021.91
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Solution
The fourth proportional to 75,638.49, 113,444.79 and 25,021.91 is: 37,528.58
Step by Step Solution
- Step 1: Write the proportion equation
75,638.49 : 113,444.79 = 25,021.91 : x - Step 2: Convert to fraction form
75,638.49/113,444.79 = 25,021.91/x - Step 3: Cross multiply
75,638.49x = 113,444.79 × 25,021.91 - Step 4: Simplify right side
75,638.49x = 2,838,605,515.13 - Step 5: Solve for x
x = 2,838,605,515.13/75,638.49 - Step 6: Final answer
x = 37,528.58
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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.