Finding the Fourth Proportional to 77,256.48, 115,908.06 and 32,299.68
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Solution
The fourth proportional to 77,256.48, 115,908.06 and 32,299.68 is: 48,459.28
Step by Step Solution
- Step 1: Write the proportion equation
77,256.48 : 115,908.06 = 32,299.68 : x - Step 2: Convert to fraction form
77,256.48/115,908.06 = 32,299.68/x - Step 3: Cross multiply
77,256.48x = 115,908.06 × 32,299.68 - Step 4: Simplify right side
77,256.48x = 3,743,793,247.42 - Step 5: Solve for x
x = 3,743,793,247.42/77,256.48 - Step 6: Final answer
x = 48,459.28
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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.