Finding the Fourth Proportional to 92,125.92, 137,967.42 and 52,563.09
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Solution
The fourth proportional to 92,125.92, 137,967.42 and 52,563.09 is: 78,718.28
Step by Step Solution
- Step 1: Write the proportion equation
92,125.92 : 137,967.42 = 52,563.09 : x - Step 2: Convert to fraction form
92,125.92/137,967.42 = 52,563.09/x - Step 3: Cross multiply
92,125.92x = 137,967.42 × 52,563.09 - Step 4: Simplify right side
92,125.92x = 7,251,993,914.53 - Step 5: Solve for x
x = 7,251,993,914.53/92,125.92 - Step 6: Final answer
x = 78,718.28
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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.