Finding the Fourth Proportional to 75,425.14, 113,136.08 and 19,265.24
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Solution
The fourth proportional to 75,425.14, 113,136.08 and 19,265.24 is: 28,897.45
Step by Step Solution
- Step 1: Write the proportion equation
75,425.14 : 113,136.08 = 19,265.24 : x - Step 2: Convert to fraction form
75,425.14/113,136.08 = 19,265.24/x - Step 3: Cross multiply
75,425.14x = 113,136.08 × 19,265.24 - Step 4: Simplify right side
75,425.14x = 2,179,593,920.37 - Step 5: Solve for x
x = 2,179,593,920.37/75,425.14 - Step 6: Final answer
x = 28,897.45
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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.