Finding the Fourth Proportional to 75,006.42, 103,414.77 and 48,101.46
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Solution
The fourth proportional to 75,006.42, 103,414.77 and 48,101.46 is: 66,319.68
Step by Step Solution
- Step 1: Write the proportion equation
75,006.42 : 103,414.77 = 48,101.46 : x - Step 2: Convert to fraction form
75,006.42/103,414.77 = 48,101.46/x - Step 3: Cross multiply
75,006.42x = 103,414.77 × 48,101.46 - Step 4: Simplify right side
75,006.42x = 4,974,401,422.56 - Step 5: Solve for x
x = 4,974,401,422.56/75,006.42 - Step 6: Final answer
x = 66,319.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.