Finding the Fourth Proportional to 97,018.12, 133,884.79 and 54,576.65
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Solution
The fourth proportional to 97,018.12, 133,884.79 and 54,576.65 is: 75,315.65
Step by Step Solution
- Step 1: Write the proportion equation
97,018.12 : 133,884.79 = 54,576.65 : x - Step 2: Convert to fraction form
97,018.12/133,884.79 = 54,576.65/x - Step 3: Cross multiply
97,018.12x = 133,884.79 × 54,576.65 - Step 4: Simplify right side
97,018.12x = 7,306,982,654.73 - Step 5: Solve for x
x = 7,306,982,654.73/97,018.12 - Step 6: Final answer
x = 75,315.65
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1.5x scale
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.