Finding the Fourth Proportional to 75,246.75, 103,840.52 and 41,712.75
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Solution
The fourth proportional to 75,246.75, 103,840.52 and 41,712.75 is: 57,563.60
Step by Step Solution
- Step 1: Write the proportion equation
75,246.75 : 103,840.52 = 41,712.75 : x - Step 2: Convert to fraction form
75,246.75/103,840.52 = 41,712.75/x - Step 3: Cross multiply
75,246.75x = 103,840.52 × 41,712.75 - Step 4: Simplify right side
75,246.75x = 4,331,473,442.07 - Step 5: Solve for x
x = 4,331,473,442.07/75,246.75 - Step 6: Final answer
x = 57,563.60
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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.