Finding the Fourth Proportional to 68,813.75, 103,237.97 and 19,565.75
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Solution
The fourth proportional to 68,813.75, 103,237.97 and 19,565.75 is: 29,353.56
Step by Step Solution
- Step 1: Write the proportion equation
68,813.75 : 103,237.97 = 19,565.75 : x - Step 2: Convert to fraction form
68,813.75/103,237.97 = 19,565.75/x - Step 3: Cross multiply
68,813.75x = 103,237.97 × 19,565.75 - Step 4: Simplify right side
68,813.75x = 2,019,928,311.53 - Step 5: Solve for x
x = 2,019,928,311.53/68,813.75 - Step 6: Final answer
x = 29,353.56
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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.