Finding the Fourth Proportional to 77,118.36, 115,598.76 and 43,767.99
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Solution
The fourth proportional to 77,118.36, 115,598.76 and 43,767.99 is: 65,607.27
Step by Step Solution
- Step 1: Write the proportion equation
77,118.36 : 115,598.76 = 43,767.99 : x - Step 2: Convert to fraction form
77,118.36/115,598.76 = 43,767.99/x - Step 3: Cross multiply
77,118.36x = 115,598.76 × 43,767.99 - Step 4: Simplify right side
77,118.36x = 5,059,525,371.69 - Step 5: Solve for x
x = 5,059,525,371.69/77,118.36 - Step 6: Final answer
x = 65,607.27
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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.