Finding the Fourth Proportional to 84,098.24, 126,147.36 and 57,723.02
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Solution
The fourth proportional to 84,098.24, 126,147.36 and 57,723.02 is: 86,584.53
Step by Step Solution
- Step 1: Write the proportion equation
84,098.24 : 126,147.36 = 57,723.02 : x - Step 2: Convert to fraction form
84,098.24/126,147.36 = 57,723.02/x - Step 3: Cross multiply
84,098.24x = 126,147.36 × 57,723.02 - Step 4: Simplify right side
84,098.24x = 7,281,606,584.23 - Step 5: Solve for x
x = 7,281,606,584.23/84,098.24 - Step 6: Final answer
x = 86,584.53
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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.