Finding the Fourth Proportional to 75,490.29, 113,235.48 and 74,249.19
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Solution
The fourth proportional to 75,490.29, 113,235.48 and 74,249.19 is: 111,373.83
Step by Step Solution
- Step 1: Write the proportion equation
75,490.29 : 113,235.48 = 74,249.19 : x - Step 2: Convert to fraction form
75,490.29/113,235.48 = 74,249.19/x - Step 3: Cross multiply
75,490.29x = 113,235.48 × 74,249.19 - Step 4: Simplify right side
75,490.29x = 8,407,642,669.26 - Step 5: Solve for x
x = 8,407,642,669.26/75,490.29 - Step 6: Final answer
x = 111,373.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.