Finding the Fourth Proportional to 75,368.20, 104,010.18 and 48,562.60
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Solution
The fourth proportional to 75,368.20, 104,010.18 and 48,562.60 is: 67,017.72
Step by Step Solution
- Step 1: Write the proportion equation
75,368.20 : 104,010.18 = 48,562.60 : x - Step 2: Convert to fraction form
75,368.20/104,010.18 = 48,562.60/x - Step 3: Cross multiply
75,368.20x = 104,010.18 × 48,562.60 - Step 4: Simplify right side
75,368.20x = 5,051,004,767.27 - Step 5: Solve for x
x = 5,051,004,767.27/75,368.20 - Step 6: Final answer
x = 67,017.72
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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.