Finding the Fourth Proportional to 75,649.24, 113,543.88 and 38,235.70
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Solution
The fourth proportional to 75,649.24, 113,543.88 and 38,235.70 is: 57,388.94
Step by Step Solution
- Step 1: Write the proportion equation
75,649.24 : 113,543.88 = 38,235.70 : x - Step 2: Convert to fraction form
75,649.24/113,543.88 = 38,235.70/x - Step 3: Cross multiply
75,649.24x = 113,543.88 × 38,235.70 - Step 4: Simplify right side
75,649.24x = 4,341,429,732.52 - Step 5: Solve for x
x = 4,341,429,732.52/75,649.24 - Step 6: Final answer
x = 57,388.94
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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.