Finding the Fourth Proportional to 97,143.56, 145,755.68 and 46,517.12
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Solution
The fourth proportional to 97,143.56, 145,755.68 and 46,517.12 is: 69,794.99
Step by Step Solution
- Step 1: Write the proportion equation
97,143.56 : 145,755.68 = 46,517.12 : x - Step 2: Convert to fraction form
97,143.56/145,755.68 = 46,517.12/x - Step 3: Cross multiply
97,143.56x = 145,755.68 × 46,517.12 - Step 4: Simplify right side
97,143.56x = 6,780,133,495.88 - Step 5: Solve for x
x = 6,780,133,495.88/97,143.56 - Step 6: Final answer
x = 69,794.99
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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.