Finding the Fourth Proportional to 76,759.98, 115,155.49 and 32,386.84
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Solution
The fourth proportional to 76,759.98, 115,155.49 and 32,386.84 is: 48,586.81
Step by Step Solution
- Step 1: Write the proportion equation
76,759.98 : 115,155.49 = 32,386.84 : x - Step 2: Convert to fraction form
76,759.98/115,155.49 = 32,386.84/x - Step 3: Cross multiply
76,759.98x = 115,155.49 × 32,386.84 - Step 4: Simplify right side
76,759.98x = 3,729,522,429.75 - Step 5: Solve for x
x = 3,729,522,429.75/76,759.98 - Step 6: Final answer
x = 48,586.81
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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.