Finding the Fourth Proportional to 92,020.56, 126,989.67 and 51,732.07
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Solution
The fourth proportional to 92,020.56, 126,989.67 and 51,732.07 is: 71,390.99
Step by Step Solution
- Step 1: Write the proportion equation
92,020.56 : 126,989.67 = 51,732.07 : x - Step 2: Convert to fraction form
92,020.56/126,989.67 = 51,732.07/x - Step 3: Cross multiply
92,020.56x = 126,989.67 × 51,732.07 - Step 4: Simplify right side
92,020.56x = 6,569,438,374.24 - Step 5: Solve for x
x = 6,569,438,374.24/92,020.56 - Step 6: Final answer
x = 71,390.99
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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.