Finding the Fourth Proportional to 75,126.10, 103,670.80 and 41,133.97
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Solution
The fourth proportional to 75,126.10, 103,670.80 and 41,133.97 is: 56,763.12
Step by Step Solution
- Step 1: Write the proportion equation
75,126.10 : 103,670.80 = 41,133.97 : x - Step 2: Convert to fraction form
75,126.10/103,670.80 = 41,133.97/x - Step 3: Cross multiply
75,126.10x = 103,670.80 × 41,133.97 - Step 4: Simplify right side
75,126.10x = 4,264,391,577.08 - Step 5: Solve for x
x = 4,264,391,577.08/75,126.10 - Step 6: Final answer
x = 56,763.12
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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.