Finding the Fourth Proportional to 71,881.98, 107,829.45 and 27,506.94
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Solution
The fourth proportional to 71,881.98, 107,829.45 and 27,506.94 is: 41,262.89
Step by Step Solution
- Step 1: Write the proportion equation
71,881.98 : 107,829.45 = 27,506.94 : x - Step 2: Convert to fraction form
71,881.98/107,829.45 = 27,506.94/x - Step 3: Cross multiply
71,881.98x = 107,829.45 × 27,506.94 - Step 4: Simplify right side
71,881.98x = 2,966,058,211.38 - Step 5: Solve for x
x = 2,966,058,211.38/71,881.98 - Step 6: Final answer
x = 41,262.89
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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.