Finding the Fourth Proportional to 75,590.94, 104,319.80 and 43,330.92
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Solution
The fourth proportional to 75,590.94, 104,319.80 and 43,330.92 is: 59,799.14
Step by Step Solution
- Step 1: Write the proportion equation
75,590.94 : 104,319.80 = 43,330.92 : x - Step 2: Convert to fraction form
75,590.94/104,319.80 = 43,330.92/x - Step 3: Cross multiply
75,590.94x = 104,319.80 × 43,330.92 - Step 4: Simplify right side
75,590.94x = 4,520,273,343.05 - Step 5: Solve for x
x = 4,520,273,343.05/75,590.94 - Step 6: Final answer
x = 59,799.14
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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.