Finding the Fourth Proportional to 75,569.26, 113,353.12 and 28,182.70
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Solution
The fourth proportional to 75,569.26, 113,353.12 and 28,182.70 is: 42,273.76
Step by Step Solution
- Step 1: Write the proportion equation
75,569.26 : 113,353.12 = 28,182.70 : x - Step 2: Convert to fraction form
75,569.26/113,353.12 = 28,182.70/x - Step 3: Cross multiply
75,569.26x = 113,353.12 × 28,182.70 - Step 4: Simplify right side
75,569.26x = 3,194,596,975.02 - Step 5: Solve for x
x = 3,194,596,975.02/75,569.26 - Step 6: Final answer
x = 42,273.76
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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.