Finding the Fourth Proportional to 96,927.21, 133,758.18 and 54,485.82
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Solution
The fourth proportional to 96,927.21, 133,758.18 and 54,485.82 is: 75,189.66
Step by Step Solution
- Step 1: Write the proportion equation
96,927.21 : 133,758.18 = 54,485.82 : x - Step 2: Convert to fraction form
96,927.21/133,758.18 = 54,485.82/x - Step 3: Cross multiply
96,927.21x = 133,758.18 × 54,485.82 - Step 4: Simplify right side
96,927.21x = 7,287,924,119.01 - Step 5: Solve for x
x = 7,287,924,119.01/96,927.21 - Step 6: Final answer
x = 75,189.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.