Finding the Fourth Proportional to 76,269.99, 105,256.45 and 43,992.60
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Solution
The fourth proportional to 76,269.99, 105,256.45 and 43,992.60 is: 60,712.02
Step by Step Solution
- Step 1: Write the proportion equation
76,269.99 : 105,256.45 = 43,992.60 : x - Step 2: Convert to fraction form
76,269.99/105,256.45 = 43,992.60/x - Step 3: Cross multiply
76,269.99x = 105,256.45 × 43,992.60 - Step 4: Simplify right side
76,269.99x = 4,630,504,902.27 - Step 5: Solve for x
x = 4,630,504,902.27/76,269.99 - Step 6: Final answer
x = 60,712.02
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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.