Finding the Fourth Proportional to 75,703.64, 113,572.08 and 22,391.45
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Solution
The fourth proportional to 75,703.64, 113,572.08 and 22,391.45 is: 33,592.09
Step by Step Solution
- Step 1: Write the proportion equation
75,703.64 : 113,572.08 = 22,391.45 : x - Step 2: Convert to fraction form
75,703.64/113,572.08 = 22,391.45/x - Step 3: Cross multiply
75,703.64x = 113,572.08 × 22,391.45 - Step 4: Simplify right side
75,703.64x = 2,543,043,550.72 - Step 5: Solve for x
x = 2,543,043,550.72/75,703.64 - Step 6: Final answer
x = 33,592.09
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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.