Finding the Fourth Proportional to 97,696.68, 146,543.42 and 31,135.92
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Solution
The fourth proportional to 97,696.68, 146,543.42 and 31,135.92 is: 46,703.37
Step by Step Solution
- Step 1: Write the proportion equation
97,696.68 : 146,543.42 = 31,135.92 : x - Step 2: Convert to fraction form
97,696.68/146,543.42 = 31,135.92/x - Step 3: Cross multiply
97,696.68x = 146,543.42 × 31,135.92 - Step 4: Simplify right side
97,696.68x = 4,562,764,201.65 - Step 5: Solve for x
x = 4,562,764,201.65/97,696.68 - Step 6: Final answer
x = 46,703.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.