Finding the Fourth Proportional to 77,054.56, 115,581.87 and 50,422.99
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Solution
The fourth proportional to 77,054.56, 115,581.87 and 50,422.99 is: 75,634.51
Step by Step Solution
- Step 1: Write the proportion equation
77,054.56 : 115,581.87 = 50,422.99 : x - Step 2: Convert to fraction form
77,054.56/115,581.87 = 50,422.99/x - Step 3: Cross multiply
77,054.56x = 115,581.87 × 50,422.99 - Step 4: Simplify right side
77,054.56x = 5,827,983,784.20 - Step 5: Solve for x
x = 5,827,983,784.20/77,054.56 - Step 6: Final answer
x = 75,634.51
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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.