Finding the Fourth Proportional to 97,028.40, 133,889.67 and 54,586.02
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Solution
The fourth proportional to 97,028.40, 133,889.67 and 54,586.02 is: 75,323.35
Step by Step Solution
- Step 1: Write the proportion equation
97,028.40 : 133,889.67 = 54,586.02 : x - Step 2: Convert to fraction form
97,028.40/133,889.67 = 54,586.02/x - Step 3: Cross multiply
97,028.40x = 133,889.67 × 54,586.02 - Step 4: Simplify right side
97,028.40x = 7,308,504,204.41 - Step 5: Solve for x
x = 7,308,504,204.41/97,028.40 - Step 6: Final answer
x = 75,323.35
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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.