Finding the Fourth Proportional to 87,840.06, 121,187.79 and 50,092.44
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Solution
The fourth proportional to 87,840.06, 121,187.79 and 50,092.44 is: 69,109.61
Step by Step Solution
- Step 1: Write the proportion equation
87,840.06 : 121,187.79 = 50,092.44 : x - Step 2: Convert to fraction form
87,840.06/121,187.79 = 50,092.44/x - Step 3: Cross multiply
87,840.06x = 121,187.79 × 50,092.44 - Step 4: Simplify right side
87,840.06x = 6,070,592,099.31 - Step 5: Solve for x
x = 6,070,592,099.31/87,840.06 - Step 6: Final answer
x = 69,109.61
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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.