Finding the Fourth Proportional to 72,294.33, 107,949.48 and 63,789.96
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Solution
The fourth proportional to 72,294.33, 107,949.48 and 63,789.96 is: 95,250.80
Step by Step Solution
- Step 1: Write the proportion equation
72,294.33 : 107,949.48 = 63,789.96 : x - Step 2: Convert to fraction form
72,294.33/107,949.48 = 63,789.96/x - Step 3: Cross multiply
72,294.33x = 107,949.48 × 63,789.96 - Step 4: Simplify right side
72,294.33x = 6,886,093,011.22 - Step 5: Solve for x
x = 6,886,093,011.22/72,294.33 - Step 6: Final answer
x = 95,250.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.