Finding the Fourth Proportional to 83,759.44, 125,545.56 and 36,319.72
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Solution
The fourth proportional to 83,759.44, 125,545.56 and 36,319.72 is: 54,438.99
Step by Step Solution
- Step 1: Write the proportion equation
83,759.44 : 125,545.56 = 36,319.72 : x - Step 2: Convert to fraction form
83,759.44/125,545.56 = 36,319.72/x - Step 3: Cross multiply
83,759.44x = 125,545.56 × 36,319.72 - Step 4: Simplify right side
83,759.44x = 4,559,779,586.44 - Step 5: Solve for x
x = 4,559,779,586.44/83,759.44 - Step 6: Final answer
x = 54,438.99
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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.