Finding the Fourth Proportional to 75,385.93, 104,046.02 and 56,361.19
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Solution
The fourth proportional to 75,385.93, 104,046.02 and 56,361.19 is: 77,788.49
Step by Step Solution
- Step 1: Write the proportion equation
75,385.93 : 104,046.02 = 56,361.19 : x - Step 2: Convert to fraction form
75,385.93/104,046.02 = 56,361.19/x - Step 3: Cross multiply
75,385.93x = 104,046.02 × 56,361.19 - Step 4: Simplify right side
75,385.93x = 5,864,157,501.96 - Step 5: Solve for x
x = 5,864,157,501.96/75,385.93 - Step 6: Final answer
x = 77,788.49
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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.