Finding the Fourth Proportional to 73,813.84, 101,863.38 and 40,279.84
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Solution
The fourth proportional to 73,813.84, 101,863.38 and 40,279.84 is: 55,586.33
Step by Step Solution
- Step 1: Write the proportion equation
73,813.84 : 101,863.38 = 40,279.84 : x - Step 2: Convert to fraction form
73,813.84/101,863.38 = 40,279.84/x - Step 3: Cross multiply
73,813.84x = 101,863.38 × 40,279.84 - Step 4: Simplify right side
73,813.84x = 4,103,040,648.26 - Step 5: Solve for x
x = 4,103,040,648.26/73,813.84 - Step 6: Final answer
x = 55,586.33
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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.