Finding the Fourth Proportional to 77,027.70, 115,561.80 and 24,437.10
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Solution
The fourth proportional to 77,027.70, 115,561.80 and 24,437.10 is: 36,662.07
Step by Step Solution
- Step 1: Write the proportion equation
77,027.70 : 115,561.80 = 24,437.10 : x - Step 2: Convert to fraction form
77,027.70/115,561.80 = 24,437.10/x - Step 3: Cross multiply
77,027.70x = 115,561.80 × 24,437.10 - Step 4: Simplify right side
77,027.70x = 2,823,995,262.78 - Step 5: Solve for x
x = 2,823,995,262.78/77,027.70 - Step 6: Final answer
x = 36,662.07
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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.