Finding the Fourth Proportional to 77,261.76, 115,944.57 and 27,341.65
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Solution
The fourth proportional to 77,261.76, 115,944.57 and 27,341.65 is: 41,030.85
Step by Step Solution
- Step 1: Write the proportion equation
77,261.76 : 115,944.57 = 27,341.65 : x - Step 2: Convert to fraction form
77,261.76/115,944.57 = 27,341.65/x - Step 3: Cross multiply
77,261.76x = 115,944.57 × 27,341.65 - Step 4: Simplify right side
77,261.76x = 3,170,115,852.34 - Step 5: Solve for x
x = 3,170,115,852.34/77,261.76 - Step 6: Final answer
x = 41,030.85
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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.