Finding the Fourth Proportional to 76,896.06, 115,212.87 and 41,772.84
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Solution
The fourth proportional to 76,896.06, 115,212.87 and 41,772.84 is: 62,587.98
Step by Step Solution
- Step 1: Write the proportion equation
76,896.06 : 115,212.87 = 41,772.84 : x - Step 2: Convert to fraction form
76,896.06/115,212.87 = 41,772.84/x - Step 3: Cross multiply
76,896.06x = 115,212.87 × 41,772.84 - Step 4: Simplify right side
76,896.06x = 4,812,768,784.45 - Step 5: Solve for x
x = 4,812,768,784.45/76,896.06 - Step 6: Final answer
x = 62,587.98
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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.