Finding the Fourth Proportional to 75,425.88, 113,136.12 and 19,265.52
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Solution
The fourth proportional to 75,425.88, 113,136.12 and 19,265.52 is: 28,897.59
Step by Step Solution
- Step 1: Write the proportion equation
75,425.88 : 113,136.12 = 19,265.52 : x - Step 2: Convert to fraction form
75,425.88/113,136.12 = 19,265.52/x - Step 3: Cross multiply
75,425.88x = 113,136.12 × 19,265.52 - Step 4: Simplify right side
75,425.88x = 2,179,626,182.58 - Step 5: Solve for x
x = 2,179,626,182.58/75,425.88 - Step 6: Final answer
x = 28,897.59
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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.