Finding the Fourth Proportional to 84,421.98, 126,586.16 and 34,537.12
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Solution
The fourth proportional to 84,421.98, 126,586.16 and 34,537.12 is: 51,786.53
Step by Step Solution
- Step 1: Write the proportion equation
84,421.98 : 126,586.16 = 34,537.12 : x - Step 2: Convert to fraction form
84,421.98/126,586.16 = 34,537.12/x - Step 3: Cross multiply
84,421.98x = 126,586.16 × 34,537.12 - Step 4: Simplify right side
84,421.98x = 4,371,921,398.26 - Step 5: Solve for x
x = 4,371,921,398.26/84,421.98 - Step 6: Final answer
x = 51,786.53
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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.