Finding the Fourth Proportional to 77,101.36, 115,573.26 and 43,750.99
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Solution
The fourth proportional to 77,101.36, 115,573.26 and 43,750.99 is: 65,581.78
Step by Step Solution
- Step 1: Write the proportion equation
77,101.36 : 115,573.26 = 43,750.99 : x - Step 2: Convert to fraction form
77,101.36/115,573.26 = 43,750.99/x - Step 3: Cross multiply
77,101.36x = 115,573.26 × 43,750.99 - Step 4: Simplify right side
77,101.36x = 5,056,444,542.53 - Step 5: Solve for x
x = 5,056,444,542.53/77,101.36 - Step 6: Final answer
x = 65,581.78
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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.