Finding the Fourth Proportional to 77,309.37, 115,883.11 and 32,356.49
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Solution
The fourth proportional to 77,309.37, 115,883.11 and 32,356.49 is: 48,500.85
Step by Step Solution
- Step 1: Write the proportion equation
77,309.37 : 115,883.11 = 32,356.49 : x - Step 2: Convert to fraction form
77,309.37/115,883.11 = 32,356.49/x - Step 3: Cross multiply
77,309.37x = 115,883.11 × 32,356.49 - Step 4: Simplify right side
77,309.37x = 3,749,570,150.91 - Step 5: Solve for x
x = 3,749,570,150.91/77,309.37 - Step 6: Final answer
x = 48,500.85
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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.