Finding the Fourth Proportional to 75,260.44, 103,857.59 and 42,552.03
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Solution
The fourth proportional to 75,260.44, 103,857.59 and 42,552.03 is: 58,720.78
Step by Step Solution
- Step 1: Write the proportion equation
75,260.44 : 103,857.59 = 42,552.03 : x - Step 2: Convert to fraction form
75,260.44/103,857.59 = 42,552.03/x - Step 3: Cross multiply
75,260.44x = 103,857.59 × 42,552.03 - Step 4: Simplify right side
75,260.44x = 4,419,351,781.25 - Step 5: Solve for x
x = 4,419,351,781.25/75,260.44 - Step 6: Final answer
x = 58,720.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.